65749694756 has 6 divisors (see below), whose sum is σ = 115061965830. Its totient is φ = 32874847376.

The previous prime is 65749694719. The next prime is 65749694761.

65749694756 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 64118342656 + 1631352100 = 253216^2 + 40390^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8218711841 + ... + 8218711848.

It is an arithmetic number, because the mean of its divisors is an integer number (19176994305).

Almost surely, 2^65749694756 is an apocalyptic number.

It is an amenable number.

65749694756 is a deficient number, since it is larger than the sum of its proper divisors (49312271074).

65749694756 is a wasteful number, since it uses less digits than its factorization.

65749694756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16437423693 (or 16437423691 counting only the distinct ones).

The product of its digits is 342921600, while the sum is 68.

The spelling of 65749694756 in words is "sixty-five billion, seven hundred forty-nine million, six hundred ninety-four thousand, seven hundred fifty-six".