499994500015 has 16 divisors (see below), whose sum is σ = 626112000000. Its totient is φ = 382584974112.

The previous prime is 499994500001. The next prime is 499994500037. The reversal of 499994500015 is 510005499994.

499994500015 is a nontrivial binomial coefficient, being equal to C(999995, 2).

It is a cyclic number.

It is not a de Polignac number, because 499994500015 - 2¹⁹ = 499993975727 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2399986 + ... + 2599984.

It is an arithmetic number, because the mean of its divisors is an integer number (39132000000).

Almost surely, 2^499994500015 is an apocalyptic number.

499994500015 is the 999994-th triangular number.

499994500015 is the 333332-nd centered nonagonal number.

499994500015 is a deficient number, since it is larger than the sum of its proper divisors (126117499985).

499994500015 is a wasteful number, since it uses less digits than its factorization.

499994500015 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221766.

The product of its (nonzero) digits is 2624400, while the sum is 55.

The spelling of 499994500015 in words is "four hundred ninety-nine billion, nine hundred ninety-four million, five hundred thousand, fifteen".