2397145621357 has 2 divisors, whose sum is σ = 2397145621358. Its totient is φ = 2397145621356.

The previous prime is 2397145621319. The next prime is 2397145621391. The reversal of 2397145621357 is 7531265417932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2302096114756 + 95049506601 = 1517266^2 + 308301^2 .

It is a cyclic number.

It is not a de Polignac number, because 2397145621357 - 2²⁷ = 2397011403629 is a prime.

It is a super-2 number, since 2×2397145621357² (a number of 26 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2397145621298 and 2397145621307.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2397145621307) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1198572810678 + 1198572810679.

It is an arithmetic number, because the mean of its divisors is an integer number (1198572810679).

Almost surely, 2^{2397145621357} is an apocalyptic number.

It is an amenable number.

2397145621357 is a deficient number, since it is larger than the sum of its proper divisors (1).

2397145621357 is an equidigital number, since it uses as much as digits as its factorization.

2397145621357 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9525600, while the sum is 55.

The spelling of 2397145621357 in words is "two trillion, three hundred ninety-seven billion, one hundred forty-five million, six hundred twenty-one thousand, three hundred fifty-seven".