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4987443031469 is a prime number
BaseRepresentation
bin100100010010011101011…
…0001010010110110101101
3122122210110110222000212122
41020210322301102312231
51123203240404001334
614335111045042325
71023221326201343
oct110447261226655
918583413860778
104987443031469
111653187629218
126867246b63a5
132a241071c482
14133571bc3993
1589b0513332e
hex4893ac52dad

4987443031469 has 2 divisors, whose sum is σ = 4987443031470. Its totient is φ = 4987443031468.

The previous prime is 4987443031463. The next prime is 4987443031489. The reversal of 4987443031469 is 9641303447894.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3167196834244 + 1820246197225 = 1779662^2 + 1349165^2 .

It is a cyclic number.

It is not a de Polignac number, because 4987443031469 - 24 = 4987443031453 is a prime.

It is a super-2 number, since 2×49874430314692 (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4987443031463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2493721515734 + 2493721515735.

It is an arithmetic number, because the mean of its divisors is an integer number (2493721515735).

Almost surely, 24987443031469 is an apocalyptic number.

It is an amenable number.

4987443031469 is a deficient number, since it is larger than the sum of its proper divisors (1).

4987443031469 is an equidigital number, since it uses as much as digits as its factorization.

4987443031469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62705664, while the sum is 62.

The spelling of 4987443031469 in words is "four trillion, nine hundred eighty-seven billion, four hundred forty-three million, thirty-one thousand, four hundred sixty-nine".