34449953868 has 36 divisors (see below), whose sum is σ = 94998358728. Its totient is φ = 10439379840.

The previous prime is 34449953851. The next prime is 34449953869. The reversal of 34449953868 is 86835994443.

34449953868 is a `hidden beast` number, since 3 + 4 + 4 + 4 + 99 + 538 + 6 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×34449953868² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (34449953869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 43497021 + ... + 43497812.

It is an arithmetic number, because the mean of its divisors is an integer number (2638843298).

Almost surely, 2^34449953868 is an apocalyptic number.

It is an amenable number.

34449953868 is an abundant number, since it is smaller than the sum of its proper divisors (60548404860).

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

34449953868 is a wasteful number, since it uses less digits than its factorization.

34449953868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86994854 (or 86994849 counting only the distinct ones).

The product of its digits is 89579520, while the sum is 63.

The spelling of 34449953868 in words is "thirty-four billion, four hundred forty-nine million, nine hundred fifty-three thousand, eight hundred sixty-eight".