4494913137531 has 8 divisors (see below), whose sum is σ = 6659130574160. Its totient is φ = 2996608758336.

The previous prime is 4494913137527. The next prime is 4494913137557. The reversal of 4494913137531 is 1357313194944.

4494913137531 is a `hidden beast` number, since 4 + 4 + 9 + 4 + 91 + 3 + 13 + 7 + 531 = 666.

It is not a de Polignac number, because 4494913137531 - 2² = 4494913137527 is a prime.

It is a super-2 number, since 2×4494913137531² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4494913137131) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 83239132150 + ... + 83239132203.

It is an arithmetic number, because the mean of its divisors is an integer number (832391321770).

Almost surely, 2^{4494913137531} is an apocalyptic number.

4494913137531 is a deficient number, since it is larger than the sum of its proper divisors (2164217436629).

4494913137531 is a wasteful number, since it uses less digits than its factorization.

4494913137531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166478264362 (or 166478264356 counting only the distinct ones).

The product of its digits is 4898880, while the sum is 54.

The spelling of 4494913137531 in words is "four trillion, four hundred ninety-four billion, nine hundred thirteen million, one hundred thirty-seven thousand, five hundred thirty-one".