33138733490 has 16 divisors (see below), whose sum is σ = 59677750080. Its totient is φ = 13249264560.

The previous prime is 33138733489. The next prime is 33138733541. The reversal of 33138733490 is 9433783133.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 756230 + ... + 798849.

It is an arithmetic number, because the mean of its divisors is an integer number (3729859380).

Almost surely, 2^33138733490 is an apocalyptic number.

33138733490 is a deficient number, since it is larger than the sum of its proper divisors (26539016590).

33138733490 is a wasteful number, since it uses less digits than its factorization.

33138733490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1557217.

The product of its (nonzero) digits is 489888, while the sum is 44.

The spelling of 33138733490 in words is "thirty-three billion, one hundred thirty-eight million, seven hundred thirty-three thousand, four hundred ninety".