65610745213 has 16 divisors (see below), whose sum is σ = 72176057856. Its totient is φ = 59274794880.

The previous prime is 65610745201. The next prime is 65610745237. The reversal of 65610745213 is 31254701656.

It is a cyclic number.

It is not a de Polignac number, because 65610745213 - 2²⁹ = 65073874301 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 (65610745273) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132981 + ... + 385882.

It is an arithmetic number, because the mean of its divisors is an integer number (4511003616).

Almost surely, 2^65610745213 is an apocalyptic number.

It is an amenable number.

65610745213 is a deficient number, since it is larger than the sum of its proper divisors (6565312643).

65610745213 is a wasteful number, since it uses less digits than its factorization.

65610745213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 519084.

The product of its (nonzero) digits is 151200, while the sum is 40.

The spelling of 65610745213 in words is "sixty-five billion, six hundred ten million, seven hundred forty-five thousand, two hundred thirteen".