717139472050 has 12 divisors (see below), whose sum is σ = 1333879418106. Its totient is φ = 286855788800.

The previous prime is 717139472039. The next prime is 717139472057. The reversal of 717139472050 is 50274931717.

It can be written as a sum of positive squares in 3 ways, for example, as 688267685161 + 28871786889 = 829619^2 + 169917^2 .

It is not an unprimeable number, because it can be changed into a prime (717139472057) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7171394671 + ... + 7171394770.

Almost surely, 2^717139472050 is an apocalyptic number.

717139472050 is a deficient number, since it is larger than the sum of its proper divisors (616739946056).

717139472050 is a wasteful number, since it uses less digits than its factorization.

717139472050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14342789453 (or 14342789448 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 46.

The spelling of 717139472050 in words is "seven hundred seventeen billion, one hundred thirty-nine million, four hundred seventy-two thousand, fifty".