612769615052 has 36 divisors (see below), whose sum is σ = 1276433733960. Its totient is φ = 256508207424.

The previous prime is 612769615043. The next prime is 612769615067. The reversal of 612769615052 is 250516967216.

It is a super-2 number, since 2×612769615052² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 36344777 + ... + 36361632.

It is an arithmetic number, because the mean of its divisors is an integer number (35456492610).

Almost surely, 2^612769615052 is an apocalyptic number.

It is an amenable number.

612769615052 is an abundant number, since it is smaller than the sum of its proper divisors (663664118908).

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

612769615052 is a wasteful number, since it uses less digits than its factorization.

612769615052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72706470 (or 72706461 counting only the distinct ones).

The product of its (nonzero) digits is 1360800, while the sum is 50.

The spelling of 612769615052 in words is "six hundred twelve billion, seven hundred sixty-nine million, six hundred fifteen thousand, fifty-two".