33998729516 has 12 divisors (see below), whose sum is σ = 59499359640. Its totient is φ = 16998912480.

The previous prime is 33998729509. The next prime is 33998729543. The reversal of 33998729516 is 61592789933.

It is a happy 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, 101171 + ... + 279701.

It is an arithmetic number, because the mean of its divisors is an integer number (4958279970).

Almost surely, 2^33998729516 is an apocalyptic number.

It is an amenable number.

33998729516 is a deficient number, since it is larger than the sum of its proper divisors (25500630124).

33998729516 is a wasteful number, since it uses less digits than its factorization.

33998729516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226144 (or 226142 counting only the distinct ones).

The product of its digits is 22044960, while the sum is 62.

The spelling of 33998729516 in words is "thirty-three billion, nine hundred ninety-eight million, seven hundred twenty-nine thousand, five hundred sixteen".