499137747731 has 8 divisors (see below), whose sum is σ = 570448038240. Its totient is φ = 427828681728.

The previous prime is 499137747727. The next prime is 499137747737. The reversal of 499137747731 is 137747731994.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 499137747731 - 2² = 499137747727 is a prime.

It is a super-2 number, since 2×499137747731² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (499137747737) 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, 867155 + ... + 1322963.

It is an arithmetic number, because the mean of its divisors is an integer number (71306004780).

Almost surely, 2^499137747731 is an apocalyptic number.

499137747731 is a deficient number, since it is larger than the sum of its proper divisors (71310290509).

499137747731 is a wasteful number, since it uses less digits than its factorization.

499137747731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 612253.

The product of its digits is 28005264, while the sum is 62.

The spelling of 499137747731 in words is "four hundred ninety-nine billion, one hundred thirty-seven million, seven hundred forty-seven thousand, seven hundred thirty-one".