612508730751 has 6 divisors (see below), whose sum is σ = 884734833320. Its totient is φ = 408339153828.

The previous prime is 612508730731. The next prime is 612508730783. The reversal of 612508730751 is 157037805216.

It is a happy number.

612508730751 is a `hidden beast` number, since 6 + 1 + 2 + 508 + 73 + 0 + 75 + 1 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-612508730751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 612508730697 and 612508730706.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (612508730731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 34028262811 + ... + 34028262828.

Almost surely, 2^612508730751 is an apocalyptic number.

612508730751 is a deficient number, since it is larger than the sum of its proper divisors (272226102569).

612508730751 is a wasteful number, since it uses less digits than its factorization.

612508730751 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68056525645 (or 68056525642 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 45.

The spelling of 612508730751 in words is "six hundred twelve billion, five hundred eight million, seven hundred thirty thousand, seven hundred fifty-one".