33642144650 has 24 divisors (see below), whose sum is σ = 62634711360. Its totient is φ = 13443885360.

The previous prime is 33642144649. The next prime is 33642144703. The reversal of 33642144650 is 5644124633.

It is a super-2 number, since 2×33642144650² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 271844 + ... + 375743.

It is an arithmetic number, because the mean of its divisors is an integer number (2609779640).

Almost surely, 2^33642144650 is an apocalyptic number.

33642144650 is a deficient number, since it is larger than the sum of its proper divisors (28992566710).

33642144650 is a wasteful number, since it uses less digits than its factorization.

33642144650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 648638 (or 648633 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 38.

The spelling of 33642144650 in words is "thirty-three billion, six hundred forty-two million, one hundred forty-four thousand, six hundred fifty".