33906749554 has 24 divisors (see below), whose sum is σ = 53797923900. Its totient is φ = 16025167872.

The previous prime is 33906749521. The next prime is 33906749557. The reversal of 33906749554 is 45594760933.

It can be written as a sum of positive squares in 2 ways, for example, as 33847536529 + 59213025 = 183977^2 + 7695^2 .

It is a super-2 number, since 2×33906749554² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33906749495 and 33906749504.

It is not an unprimeable number, because it can be changed into a prime (33906749557) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 271882 + ... + 376474.

Almost surely, 2^33906749554 is an apocalyptic number.

33906749554 is a deficient number, since it is larger than the sum of its proper divisors (19891174346).

33906749554 is a wasteful number, since it uses less digits than its factorization.

33906749554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105082 (or 105063 counting only the distinct ones).

The product of its (nonzero) digits is 12247200, while the sum is 55.

The spelling of 33906749554 in words is "thirty-three billion, nine hundred six million, seven hundred forty-nine thousand, five hundred fifty-four".