33139006867 has 4 divisors (see below), whose sum is σ = 33164958816. Its totient is φ = 33113054920.

The previous prime is 33139006847. The next prime is 33139006877. The reversal of 33139006867 is 76860093133.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 33139006867 - 2⁷ = 33139006739 is a prime.

It is a super-2 number, since 2×33139006867² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (33139006847) 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, 12974059 + ... + 12976612.

It is an arithmetic number, because the mean of its divisors is an integer number (8291239704).

Almost surely, 2^33139006867 is an apocalyptic number.

33139006867 is a deficient number, since it is larger than the sum of its proper divisors (25951949).

33139006867 is a wasteful number, since it uses less digits than its factorization.

33139006867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25951948.

The product of its (nonzero) digits is 489888, while the sum is 46.

The spelling of 33139006867 in words is "thirty-three billion, one hundred thirty-nine million, six thousand, eight hundred sixty-seven".