499413187539 has 12 divisors (see below), whose sum is σ = 824428119216. Its totient is φ = 285378964272.

The previous prime is 499413187531. The next prime is 499413187549. The reversal of 499413187539 is 935781314994.

499413187539 is a `hidden beast` number, since 4 + 9 + 9 + 4 + 13 + 1 + 87 + 539 = 666.

It is not a de Polignac number, because 499413187539 - 2³ = 499413187531 is a prime.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (63), and also a Moran number because the ratio is a prime number: 7927193453 = 499413187539 / (4 + 9 + 9 + 4 + 1 + 3 + 1 + 8 + 7 + 5 + 3 + 9).

It is not an unprimeable number, because it can be changed into a prime (499413187531) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3963596664 + ... + 3963596789.

It is an arithmetic number, because the mean of its divisors is an integer number (68702343268).

Almost surely, 2^499413187539 is an apocalyptic number.

499413187539 is a deficient number, since it is larger than the sum of its proper divisors (325014931677).

499413187539 is a wasteful number, since it uses less digits than its factorization.

499413187539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7927193466 (or 7927193463 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 63.

The spelling of 499413187539 in words is "four hundred ninety-nine billion, four hundred thirteen million, one hundred eighty-seven thousand, five hundred thirty-nine".