33868643610 has 64 divisors (see below), whose sum is σ = 85606110720. Its totient is φ = 8551967040.

The previous prime is 33868643593. The next prime is 33868643659. The reversal of 33868643610 is 1634686833.

It is a happy number.

It is a super-2 number, since 2×33868643610² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33868643610.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1200729 + ... + 1228611.

It is an arithmetic number, because the mean of its divisors is an integer number (1337595480).

Almost surely, 2^33868643610 is an apocalyptic number.

33868643610 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

33868643610 is an abundant number, since it is smaller than the sum of its proper divisors (51737467110).

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

33868643610 is a wasteful number, since it uses less digits than its factorization.

33868643610 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30043.

The product of its (nonzero) digits is 1492992, while the sum is 48.

The spelling of 33868643610 in words is "thirty-three billion, eight hundred sixty-eight million, six hundred forty-three thousand, six hundred ten".