3157638886097 has 2 divisors, whose sum is σ = 3157638886098. Its totient is φ = 3157638886096.

The previous prime is 3157638886091. The next prime is 3157638886139. The reversal of 3157638886097 is 7906888367513.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3156304006801 + 1334879296 = 1776599^2 + 36536^2 .

It is a cyclic number.

It is not a de Polignac number, because 3157638886097 - 2³⁰ = 3156565144273 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3157638886097.

It is not a weakly prime, because it can be changed into another prime (3157638886091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1578819443048 + 1578819443049.

It is an arithmetic number, because the mean of its divisors is an integer number (1578819443049).

Almost surely, 2^{3157638886097} is an apocalyptic number.

It is an amenable number.

3157638886097 is a deficient number, since it is larger than the sum of its proper divisors (1).

3157638886097 is an equidigital number, since it uses as much as digits as its factorization.

3157638886097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 365783040, while the sum is 71.

The spelling of 3157638886097 in words is "three trillion, one hundred fifty-seven billion, six hundred thirty-eight million, eight hundred eighty-six thousand, ninety-seven".