505583336138 has 16 divisors (see below), whose sum is σ = 769315388040. Its totient is φ = 249162794496.

The previous prime is 505583336119. The next prime is 505583336191. The reversal of 505583336138 is 831633385505.

It can be written as a sum of positive squares in 4 ways, for example, as 217196077849 + 288387258289 = 466043^2 + 537017^2 .

It is a super-2 number, since 2×505583336138² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4423631 + ... + 4536482.

Almost surely, 2^505583336138 is an apocalyptic number.

505583336138 is a deficient number, since it is larger than the sum of its proper divisors (263732051902).

505583336138 is a wasteful number, since it uses less digits than its factorization.

505583336138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8960521.

The product of its (nonzero) digits is 3888000, while the sum is 50.

The spelling of 505583336138 in words is "five hundred five billion, five hundred eighty-three million, three hundred thirty-six thousand, one hundred thirty-eight".