499894956057 has 16 divisors (see below), whose sum is σ = 762321379712. Its totient is φ = 285438003840.

The previous prime is 499894956047. The next prime is 499894956109. The reversal of 499894956057 is 750659498994.

It is not a de Polignac number, because 499894956057 - 2⁶ = 499894955993 is a prime.

It is the 707033-rd Hogben number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 499894956057.

It is not an unprimeable number, because it can be changed into a prime (499894956007) by changing a digit.

It is a nontrivial repunit in base 707032.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8982298 + ... + 9037779.

It is an arithmetic number, because the mean of its divisors is an integer number (47645086232).

Almost surely, 2^499894956057 is an apocalyptic number.

It is an amenable number.

499894956057 is a deficient number, since it is larger than the sum of its proper divisors (262426423655).

499894956057 is a wasteful number, since it uses less digits than its factorization.

499894956057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18021408.

The product of its (nonzero) digits is 881798400, while the sum is 75.

The spelling of 499894956057 in words is "four hundred ninety-nine billion, eight hundred ninety-four million, nine hundred fifty-six thousand, fifty-seven".