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468687949786897 is a prime number
BaseRepresentation
bin110101010010001001110101…
…0110000011110111100010001
32021110111010112001221011221021
41222210103222300132330101
5442412440410121140042
64340452134404555441
7200502405213534241
oct15244235260367421
92243433461834837
10468687949786897
1112637a496a92125
1244696a460b2b81
131716a1127943c9
1483a4891395b21
15392b9b0d60867
hex1aa44eac1ef11

468687949786897 has 2 divisors, whose sum is σ = 468687949786898. Its totient is φ = 468687949786896.

The previous prime is 468687949786841. The next prime is 468687949786909. The reversal of 468687949786897 is 798687949786864.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 360898205177041 + 107789744609856 = 18997321^2 + 10382184^2 .

It is a cyclic number.

It is not a de Polignac number, because 468687949786897 - 231 = 468685802303249 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 468687949786897.

It is not a weakly prime, because it can be changed into another prime (468687949786817) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 234343974893448 + 234343974893449.

It is an arithmetic number, because the mean of its divisors is an integer number (234343974893449).

Almost surely, 2468687949786897 is an apocalyptic number.

It is an amenable number.

468687949786897 is a deficient number, since it is larger than the sum of its proper divisors (1).

468687949786897 is an equidigital number, since it uses as much as digits as its factorization.

468687949786897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3539609321472, while the sum is 106.

The spelling of 468687949786897 in words is "four hundred sixty-eight trillion, six hundred eighty-seven billion, nine hundred forty-nine million, seven hundred eighty-six thousand, eight hundred ninety-seven".