597491404639 has 2 divisors, whose sum is σ = 597491404640. Its totient is φ = 597491404638.

The previous prime is 597491404613. The next prime is 597491404663. The reversal of 597491404639 is 936404194795.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 597491404639 - 2⁷ = 597491404511 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (597491404669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 298745702319 + 298745702320.

It is an arithmetic number, because the mean of its divisors is an integer number (298745702320).

Almost surely, 2^597491404639 is an apocalyptic number.

597491404639 is a deficient number, since it is larger than the sum of its proper divisors (1).

597491404639 is an equidigital number, since it uses as much as digits as its factorization.

597491404639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29393280, while the sum is 61.

The spelling of 597491404639 in words is "five hundred ninety-seven billion, four hundred ninety-one million, four hundred four thousand, six hundred thirty-nine".