642652707595 has 8 divisors (see below), whose sum is σ = 778818727440. Its totient is φ = 509031847200.

The previous prime is 642652707583. The next prime is 642652707617. The reversal of 642652707595 is 595707256246.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-642652707595 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 636289305 + ... + 636290314.

It is an arithmetic number, because the mean of its divisors is an integer number (97352340930).

Almost surely, 2^642652707595 is an apocalyptic number.

642652707595 is a deficient number, since it is larger than the sum of its proper divisors (136166019845).

642652707595 is a wasteful number, since it uses less digits than its factorization.

642652707595 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1272579725.

The product of its (nonzero) digits is 31752000, while the sum is 58.

The spelling of 642652707595 in words is "six hundred forty-two billion, six hundred fifty-two million, seven hundred seven thousand, five hundred ninety-five".