425657913337 has 2 divisors, whose sum is σ = 425657913338. Its totient is φ = 425657913336.

The previous prime is 425657913323. The next prime is 425657913341. The reversal of 425657913337 is 733319756524.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 289862715321 + 135795198016 = 538389^2 + 368504^2 .

It is a cyclic number.

It is not a de Polignac number, because 425657913337 - 2²⁷ = 425523695609 is a prime.

It is not a weakly prime, because it can be changed into another prime (425657913347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 212828956668 + 212828956669.

It is an arithmetic number, because the mean of its divisors is an integer number (212828956669).

Almost surely, 2^425657913337 is an apocalyptic number.

It is an amenable number.

425657913337 is a deficient number, since it is larger than the sum of its proper divisors (1).

425657913337 is an equidigital number, since it uses as much as digits as its factorization.

425657913337 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 14288400, while the sum is 55.

The spelling of 425657913337 in words is "four hundred twenty-five billion, six hundred fifty-seven million, nine hundred thirteen thousand, three hundred thirty-seven".