33980018398 has 16 divisors (see below), whose sum is σ = 52243407216. Its totient is φ = 16566883200.

The previous prime is 33980018389. The next prime is 33980018447. The reversal of 33980018398 is 89381008933.

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, 282153 + ... + 384148.

It is an arithmetic number, because the mean of its divisors is an integer number (3265212951).

Almost surely, 2^33980018398 is an apocalyptic number.

33980018398 is a deficient number, since it is larger than the sum of its proper divisors (18263388818).

33980018398 is a wasteful number, since it uses less digits than its factorization.

33980018398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666939.

The product of its (nonzero) digits is 1119744, while the sum is 52.

The spelling of 33980018398 in words is "thirty-three billion, nine hundred eighty million, eighteen thousand, three hundred ninety-eight".