18976457812850 has 96 divisors (see below), whose sum is σ = 36209291956992. Its totient is φ = 7395696000000.

The previous prime is 18976457812849. The next prime is 18976457812859. The reversal of 18976457812850 is 5821875467981.

It is a super-2 number, since 2×18976457812850² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (18976457812859) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 3115488305 + ... + 3115494395.

It is an arithmetic number, because the mean of its divisors is an integer number (377180124552).

Almost surely, 2^{18976457812850} is an apocalyptic number.

18976457812850 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

18976457812850 is a deficient number, since it is larger than the sum of its proper divisors (17232834144142).

18976457812850 is a wasteful number, since it uses less digits than its factorization.

18976457812850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11892 (or 11887 counting only the distinct ones).

The product of its (nonzero) digits is 270950400, while the sum is 71.

The spelling of 18976457812850 in words is "eighteen trillion, nine hundred seventy-six billion, four hundred fifty-seven million, eight hundred twelve thousand, eight hundred fifty".