505376375522 has 10 divisors (see below), whose sum is σ = 759135275943. Its totient is φ = 252331786932.

The previous prime is 505376375509. The next prime is 505376375549. The reversal of 505376375522 is 225573673505.

It can be written as a sum of positive squares in 3 ways, for example, as 709636321 + 504666739201 = 26639^2 + 710399^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=502681.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 4 ways as a sum of consecutive naturals, for example, 712801304 + ... + 712802012.

Almost surely, 2^505376375522 is an apocalyptic number.

505376375522 is a deficient number, since it is larger than the sum of its proper divisors (253758900421).

505376375522 is an frugal number, since it uses more digits than its factorization.

505376375522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2838 (or 711 counting only the distinct ones).

The product of its (nonzero) digits is 6615000, while the sum is 50.

Multiplying 505376375522 by its sum of digits (50), we get a square (25268818776100 = 5026810²).

The spelling of 505376375522 in words is "five hundred five billion, three hundred seventy-six million, three hundred seventy-five thousand, five hundred twenty-two".