65629634339 has 16 divisors (see below), whose sum is σ = 69664788480. Its totient is φ = 61654763520.

The previous prime is 65629634309. The next prime is 65629634419. The reversal of 65629634339 is 93343692656.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65629634339 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (65629634309) 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, 1058774 + ... + 1119044.

It is an arithmetic number, because the mean of its divisors is an integer number (4354049280).

Almost surely, 2^65629634339 is an apocalyptic number.

65629634339 is a deficient number, since it is larger than the sum of its proper divisors (4035154141).

65629634339 is a wasteful number, since it uses less digits than its factorization.

65629634339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60770.

The product of its digits is 18895680, while the sum is 56.

The spelling of 65629634339 in words is "sixty-five billion, six hundred twenty-nine million, six hundred thirty-four thousand, three hundred thirty-nine".