65421375602 has 16 divisors (see below), whose sum is σ = 107061472224. Its totient is φ = 29734680000.

The previous prime is 65421375583. The next prime is 65421375611. The reversal of 65421375602 is 20657312456.

It is a self number, because there is not a number n which added to its sum of digits gives 65421375602.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 192602 + ... + 409802.

It is an arithmetic number, because the mean of its divisors is an integer number (6691342014).

Almost surely, 2^65421375602 is an apocalyptic number.

65421375602 is a deficient number, since it is larger than the sum of its proper divisors (41640096622).

65421375602 is a wasteful number, since it uses less digits than its factorization.

65421375602 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230905.

The product of its (nonzero) digits is 302400, while the sum is 41.

The spelling of 65421375602 in words is "sixty-five billion, four hundred twenty-one million, three hundred seventy-five thousand, six hundred two".