33145838979384 has 32 divisors (see below), whose sum is σ = 82875355355520. Its totient is φ = 11047178605536.

The previous prime is 33145838979359. The next prime is 33145838979443. The reversal of 33145838979384 is 48397983854133.

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, 89460502 + ... + 89830245.

It is an arithmetic number, because the mean of its divisors is an integer number (2589854854860).

Almost surely, 2^{33145838979384} is an apocalyptic number.

It is an amenable number.

33145838979384 is an abundant number, since it is smaller than the sum of its proper divisors (49729516376136).

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

33145838979384 is a wasteful number, since it uses less digits than its factorization.

33145838979384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179298459 (or 179298455 counting only the distinct ones).

The product of its digits is 1881169920, while the sum is 75.

The spelling of 33145838979384 in words is "thirty-three trillion, one hundred forty-five billion, eight hundred thirty-eight million, nine hundred seventy-nine thousand, three hundred eighty-four".