34931721512 has 16 divisors (see below), whose sum is σ = 65598219360. Its totient is φ = 17438863024.

The previous prime is 34931721491. The next prime is 34931721541. The reversal of 34931721512 is 21512713943.

It is a super-2 number, since 2×34931721512² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3369218 + ... + 3379569.

It is an arithmetic number, because the mean of its divisors is an integer number (4099888710).

Almost surely, 2^34931721512 is an apocalyptic number.

It is an amenable number.

34931721512 is a deficient number, since it is larger than the sum of its proper divisors (30666497848).

34931721512 is a wasteful number, since it uses less digits than its factorization.

34931721512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6749440 (or 6749436 counting only the distinct ones).

The product of its digits is 45360, while the sum is 38.

The spelling of 34931721512 in words is "thirty-four billion, nine hundred thirty-one million, seven hundred twenty-one thousand, five hundred twelve".