642365600597 has 24 divisors (see below), whose sum is σ = 772463722752. Its totient is φ = 532065844800.

The previous prime is 642365600543. The next prime is 642365600603. The reversal of 642365600597 is 795006563246.

It is not a de Polignac number, because 642365600597 - 2¹⁴ = 642365584213 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (642365600537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 743633 + ... + 1355625.

It is an arithmetic number, because the mean of its divisors is an integer number (32185988448).

Almost surely, 2^642365600597 is an apocalyptic number.

It is an amenable number.

642365600597 is a deficient number, since it is larger than the sum of its proper divisors (130098122155).

642365600597 is a wasteful number, since it uses less digits than its factorization.

642365600597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612729 (or 612722 counting only the distinct ones).

The product of its (nonzero) digits is 8164800, while the sum is 53.

The spelling of 642365600597 in words is "six hundred forty-two billion, three hundred sixty-five million, six hundred thousand, five hundred ninety-seven".