505795059986 has 4 divisors (see below), whose sum is σ = 758692589982. Its totient is φ = 252897529992.

The previous prime is 505795059943. The next prime is 505795059997. The reversal of 505795059986 is 689950597505.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 464348207761 + 41446852225 = 681431^2 + 203585^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 126448764995 + ... + 126448764998.

Almost surely, 2^505795059986 is an apocalyptic number.

505795059986 is a deficient number, since it is larger than the sum of its proper divisors (252897529996).

505795059986 is a wasteful number, since it uses less digits than its factorization.

505795059986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 252897529995.

The product of its (nonzero) digits is 153090000, while the sum is 68.

The spelling of 505795059986 in words is "five hundred five billion, seven hundred ninety-five million, fifty-nine thousand, nine hundred eighty-six".