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1642430960413 is a prime number
BaseRepresentation
bin10111111001101000100…
…000111001001100011101
312211000101211121121020121
4113321220200321030131
5203402144311213123
63254304455314541
7226442653550005
oct27715040711435
95730354547217
101642430960413
11583607506021
1222639297ba51
13bbb5a8143c9
14596cba97005
152cacb70a75d
hex17e6883931d

1642430960413 has 2 divisors, whose sum is σ = 1642430960414. Its totient is φ = 1642430960412.

The previous prime is 1642430960363. The next prime is 1642430960431. The reversal of 1642430960413 is 3140690342461.

Together with next prime (1642430960431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1075281893764 + 567149066649 = 1036958^2 + 753093^2 .

It is a cyclic number.

It is not a de Polignac number, because 1642430960413 - 29 = 1642430959901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1642430960413.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1642430960473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 821215480206 + 821215480207.

It is an arithmetic number, because the mean of its divisors is an integer number (821215480207).

Almost surely, 21642430960413 is an apocalyptic number.

It is an amenable number.

1642430960413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1642430960413 is an equidigital number, since it uses as much as digits as its factorization.

1642430960413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 43.

The spelling of 1642430960413 in words is "one trillion, six hundred forty-two billion, four hundred thirty million, nine hundred sixty thousand, four hundred thirteen".