612495629641 has 27 divisors (see below), whose sum is σ = 744973082343. Its totient is φ = 502067023920.

The previous prime is 612495629617. The next prime is 612495629651. The reversal of 612495629641 is 146926594216.

The square root of 612495629641 is 782621.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 563131677241 + 49363952400 = 750421^2 + 222180^2 .

It is not a de Polignac number, because 612495629641 - 2⁵ = 612495629609 is a prime.

It is not an unprimeable number, because it can be changed into a prime (612495629651) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 125999551 + ... + 126004411.

Almost surely, 2^612495629641 is an apocalyptic number.

612495629641 is the 782621-st square number.

612495629641 is the 391311-st centered octagonal number.

It is an amenable number.

612495629641 is a deficient number, since it is larger than the sum of its proper divisors (132477452702).

612495629641 is an frugal number, since it uses more digits than its factorization.

612495629641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9782 (or 4891 counting only the distinct ones).

The product of its digits is 5598720, while the sum is 55.

The spelling of 612495629641 in words is "six hundred twelve billion, four hundred ninety-five million, six hundred twenty-nine thousand, six hundred forty-one".