33890989508984 has 16 divisors (see below), whose sum is σ = 65263054122600. Its totient is φ = 16487508409632.

The previous prime is 33890989508969. The next prime is 33890989508989. The reversal of 33890989508984 is 48980598909833.

It is a super-2 number, since 2×33890989508984² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33890989508989) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57248292794 + ... + 57248293385.

Almost surely, 2^{33890989508984} is an apocalyptic number.

It is an amenable number.

33890989508984 is a deficient number, since it is larger than the sum of its proper divisors (31372064613616).

33890989508984 is a wasteful number, since it uses less digits than its factorization.

33890989508984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114496586222 (or 114496586218 counting only the distinct ones).

The product of its (nonzero) digits is 4837294080, while the sum is 83.

The spelling of 33890989508984 in words is "thirty-three trillion, eight hundred ninety billion, nine hundred eighty-nine million, five hundred eight thousand, nine hundred eighty-four".