499999976521356 has 48 divisors (see below), whose sum is σ = 1218676771839744. Its totient is φ = 159251939854656.

The previous prime is 499999976521351. The next prime is 499999976521393. The reversal of 499999976521356 is 653125679999994.

It is a self number, because there is not a number n which added to its sum of digits gives 499999976521356.

It is not an unprimeable number, because it can be changed into a prime (499999976521351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 956229715 + ... + 956752458.

It is an arithmetic number, because the mean of its divisors is an integer number (25389099413328).

Almost surely, 2^{499999976521356} is an apocalyptic number.

499999976521356 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

499999976521356 is an abundant number, since it is smaller than the sum of its proper divisors (718676795318388).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

499999976521356 is a wasteful number, since it uses less digits than its factorization.

499999976521356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1912983150 (or 1912983148 counting only the distinct ones).

The product of its digits is 80353879200, while the sum is 93.

The spelling of 499999976521356 in words is "four hundred ninety-nine trillion, nine hundred ninety-nine billion, nine hundred seventy-six million, five hundred twenty-one thousand, three hundred fifty-six".