33479398438 has 16 divisors (see below), whose sum is σ = 53651200320. Its totient is φ = 15621964776.

The previous prime is 33479398411. The next prime is 33479398441. The reversal of 33479398438 is 83489397433.

It is a super-2 number, since 2×33479398438² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6572356 + ... + 6577447.

It is an arithmetic number, because the mean of its divisors is an integer number (3353200020).

Almost surely, 2^33479398438 is an apocalyptic number.

33479398438 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

33479398438 is a deficient number, since it is larger than the sum of its proper divisors (20171801882).

33479398438 is a wasteful number, since it uses less digits than its factorization.

33479398438 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13149891.

The product of its digits is 47029248, while the sum is 61.

The spelling of 33479398438 in words is "thirty-three billion, four hundred seventy-nine million, three hundred ninety-eight thousand, four hundred thirty-eight".