33981770038 has 16 divisors (see below), whose sum is σ = 51223381776. Its totient is φ = 16907436000.

The previous prime is 33981770023. The next prime is 33981770059. The reversal of 33981770038 is 83007718933.

It is a junction number, because it is equal to n+sod(n) for n = 33981769973 and 33981770000.

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, 517720 + ... + 579652.

It is an arithmetic number, because the mean of its divisors is an integer number (3201461361).

Almost surely, 2^33981770038 is an apocalyptic number.

33981770038 is a deficient number, since it is larger than the sum of its proper divisors (17241611738).

33981770038 is a wasteful number, since it uses less digits than its factorization.

33981770038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63279.

The product of its (nonzero) digits is 762048, while the sum is 49.

The spelling of 33981770038 in words is "thirty-three billion, nine hundred eighty-one million, seven hundred seventy thousand, thirty-eight".