33420434139 has 16 divisors (see below), whose sum is σ = 50108284800. Its totient is φ = 22011850728.

The previous prime is 33420434041. The next prime is 33420434153. The reversal of 33420434139 is 93143402433.

33420434139 is a `hidden beast` number, since 3 + 34 + 204 + 3 + 413 + 9 = 666.

It is not a de Polignac number, because 33420434139 - 2⁸ = 33420433883 is a prime.

It is a super-2 number, since 2×33420434139² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33420434189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7454349 + ... + 7458830.

It is an arithmetic number, because the mean of its divisors is an integer number (3131767800).

Almost surely, 2^33420434139 is an apocalyptic number.

33420434139 is a deficient number, since it is larger than the sum of its proper divisors (16687850661).

33420434139 is a wasteful number, since it uses less digits than its factorization.

33420434139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14913271 (or 14913265 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 36.

The spelling of 33420434139 in words is "thirty-three billion, four hundred twenty million, four hundred thirty-four thousand, one hundred thirty-nine".