12619157597 has 2 divisors, whose sum is σ = 12619157598. Its totient is φ = 12619157596.

The previous prime is 12619157563. The next prime is 12619157689. The reversal of 12619157597 is 79575191621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8554585081 + 4064572516 = 92491^2 + 63754^2 .

It is a cyclic number.

It is not a de Polignac number, because 12619157597 - 2²⁸ = 12350722141 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12619156597) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6309578798 + 6309578799.

It is an arithmetic number, because the mean of its divisors is an integer number (6309578799).

Almost surely, 2^12619157597 is an apocalyptic number.

It is an amenable number.

12619157597 is a deficient number, since it is larger than the sum of its proper divisors (1).

12619157597 is an equidigital number, since it uses as much as digits as its factorization.

12619157597 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1190700, while the sum is 53.

The spelling of 12619157597 in words is "twelve billion, six hundred nineteen million, one hundred fifty-seven thousand, five hundred ninety-seven".