65235213904 has 80 divisors (see below), whose sum is σ = 153806227200. Its totient is φ = 26742334080.

The previous prime is 65235213899. The next prime is 65235213931. The reversal of 65235213904 is 40931253256.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132187 + ... + 384634.

It is an arithmetic number, because the mean of its divisors is an integer number (1922577840).

Almost surely, 2^65235213904 is an apocalyptic number.

It is an amenable number.

65235213904 is an abundant number, since it is smaller than the sum of its proper divisors (88571013296).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

65235213904 is a wasteful number, since it uses less digits than its factorization.

65235213904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 516873 (or 516853 counting only the distinct ones).

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 65235213904 in words is "sixty-five billion, two hundred thirty-five million, two hundred thirteen thousand, nine hundred four".