33420699904 has 18 divisors (see below), whose sum is σ = 66710850710. Its totient is φ = 16710349824.

The previous prime is 33420699901. The next prime is 33420699913. The reversal of 33420699904 is 40999602433.

It can be written as a sum of positive squares in only one way, i.e., 31952277504 + 1468422400 = 178752^2 + 38320^2 .

It is a super-2 number, since 2×33420699904² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33420699901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 65274549 + ... + 65275060.

Almost surely, 2^33420699904 is an apocalyptic number.

It is an amenable number.

33420699904 is a deficient number, since it is larger than the sum of its proper divisors (33290150806).

33420699904 is an equidigital number, since it uses as much as digits as its factorization.

33420699904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 130549625 (or 130549611 counting only the distinct ones).

The product of its (nonzero) digits is 1259712, while the sum is 49.

The spelling of 33420699904 in words is "thirty-three billion, four hundred twenty million, six hundred ninety-nine thousand, nine hundred four".