763506416644 has 6 divisors (see below), whose sum is σ = 1336136229134. Its totient is φ = 381753208320.

The previous prime is 763506416639. The next prime is 763506416759. The reversal of 763506416644 is 446614605367.

It can be written as a sum of positive squares in only one way, i.e., 501034634244 + 262471782400 = 707838^2 + 512320^2 .

It is a super-2 number, since 2×763506416644² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 763506416591 and 763506416600.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 95438302077 + ... + 95438302084.

Almost surely, 2^763506416644 is an apocalyptic number.

It is an amenable number.

763506416644 is a deficient number, since it is larger than the sum of its proper divisors (572629812490).

763506416644 is a wasteful number, since it uses less digits than its factorization.

763506416644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190876604165 (or 190876604163 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 52.

The spelling of 763506416644 in words is "seven hundred sixty-three billion, five hundred six million, four hundred sixteen thousand, six hundred forty-four".