33147649842 has 32 divisors (see below), whose sum is σ = 66910302720. Its totient is φ = 10946799360.

The previous prime is 33147649823. The next prime is 33147649849. The reversal of 33147649842 is 24894674133.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (33147649849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1834492 + ... + 1852472.

It is an arithmetic number, because the mean of its divisors is an integer number (2090946960).

Almost surely, 2^33147649842 is an apocalyptic number.

33147649842 is an abundant number, since it is smaller than the sum of its proper divisors (33762652878).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33147649842 is a wasteful number, since it uses less digits than its factorization.

33147649842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20818.

The product of its digits is 3483648, while the sum is 51.

The spelling of 33147649842 in words is "thirty-three billion, one hundred forty-seven million, six hundred forty-nine thousand, eight hundred forty-two".