34521639992 has 32 divisors (see below), whose sum is σ = 73985956320. Its totient is φ = 14792785920.

The previous prime is 34521639967. The next prime is 34521640003. The reversal of 34521639992 is 29993612543.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366392 + ... + 450872.

It is an arithmetic number, because the mean of its divisors is an integer number (2312061135).

Almost surely, 2^34521639992 is an apocalyptic number.

It is an amenable number.

34521639992 is an abundant number, since it is smaller than the sum of its proper divisors (39464316328).

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

34521639992 is a wasteful number, since it uses less digits than its factorization.

34521639992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91791 (or 91787 counting only the distinct ones).

The product of its digits is 3149280, while the sum is 53.

The spelling of 34521639992 in words is "thirty-four billion, five hundred twenty-one million, six hundred thirty-nine thousand, nine hundred ninety-two".