499000661313 has 32 divisors (see below), whose sum is σ = 829578212352. Its totient is φ = 259199054400.

The previous prime is 499000661297. The next prime is 499000661329. The reversal of 499000661313 is 313166000994.

It is an interprime number because it is at equal distance from previous prime (499000661297) and next prime (499000661329).

It is not a de Polignac number, because 499000661313 - 2⁴ = 499000661297 is a prime.

It is a super-2 number, since 2×499000661313² (a number of 24 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (499000663313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2827495 + ... + 2998787.

It is an arithmetic number, because the mean of its divisors is an integer number (25924319136).

Almost surely, 2^499000661313 is an apocalyptic number.

It is an amenable number.

499000661313 is a deficient number, since it is larger than the sum of its proper divisors (330577551039).

499000661313 is a wasteful number, since it uses less digits than its factorization.

499000661313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183925.

The product of its (nonzero) digits is 104976, while the sum is 42.

The spelling of 499000661313 in words is "four hundred ninety-nine billion, six hundred sixty-one thousand, three hundred thirteen".