65213401352 has 32 divisors (see below), whose sum is σ = 133669612800. Its totient is φ = 29580552000.

The previous prime is 65213401313. The next prime is 65213401397. The reversal of 65213401352 is 25310431256.

It is a happy number.

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, 731399 + ... + 815702.

It is an arithmetic number, because the mean of its divisors is an integer number (4177175400).

Almost surely, 2^65213401352 is an apocalyptic number.

It is an amenable number.

65213401352 is an abundant number, since it is smaller than the sum of its proper divisors (68456211448).

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

65213401352 is a wasteful number, since it uses less digits than its factorization.

65213401352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547597 (or 1547593 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 32.

The spelling of 65213401352 in words is "sixty-five billion, two hundred thirteen million, four hundred one thousand, three hundred fifty-two".