34921403808 has 48 divisors (see below), whose sum is σ = 97060965120. Its totient is φ = 10955734016.

The previous prime is 34921403771. The next prime is 34921403809. The reversal of 34921403808 is 80830412943.

It is a tau number, because it is divible by the number of its divisors (48).

It is a self number, because there is not a number n which added to its sum of digits gives 34921403808.

It is not an unprimeable number, because it can be changed into a prime (34921403809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10697328 + ... + 10700591.

It is an arithmetic number, because the mean of its divisors is an integer number (2022103440).

Almost surely, 2^34921403808 is an apocalyptic number.

It is an amenable number.

34921403808 is an abundant number, since it is smaller than the sum of its proper divisors (62139561312).

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

34921403808 is a wasteful number, since it uses less digits than its factorization.

34921403808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21397949 (or 21397941 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 42.

The spelling of 34921403808 in words is "thirty-four billion, nine hundred twenty-one million, four hundred three thousand, eight hundred eight".