33904721332 has 12 divisors (see below), whose sum is σ = 59547463780. Its totient is φ = 16891160256.

The previous prime is 33904721311. The next prime is 33904721353. The reversal of 33904721332 is 23312740933.

It is an interprime number because it is at equal distance from previous prime (33904721311) and next prime (33904721353).

It can be written as a sum of positive squares in 2 ways, for example, as 1571646736 + 32333074596 = 39644^2 + 179814^2 .

It is a super-2 number, since 2×33904721332² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33904721291 and 33904721300.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15298857 + ... + 15301072.

Almost surely, 2^33904721332 is an apocalyptic number.

It is an amenable number.

33904721332 is a deficient number, since it is larger than the sum of its proper divisors (25642742448).

33904721332 is a wasteful number, since it uses less digits than its factorization.

33904721332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30600210 (or 30600208 counting only the distinct ones).

The product of its (nonzero) digits is 81648, while the sum is 37.

The spelling of 33904721332 in words is "thirty-three billion, nine hundred four million, seven hundred twenty-one thousand, three hundred thirty-two".