33947397834 has 16 divisors (see below), whose sum is σ = 77594052288. Its totient is φ = 9699256512.

The previous prime is 33947397763. The next prime is 33947397851. The reversal of 33947397834 is 43879374933.

It is a happy number.

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, 404135647 + ... + 404135730.

It is an arithmetic number, because the mean of its divisors is an integer number (4849628268).

Almost surely, 2^33947397834 is an apocalyptic number.

33947397834 is an abundant number, since it is smaller than the sum of its proper divisors (43646654454).

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

33947397834 is a wasteful number, since it uses less digits than its factorization.

33947397834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808271389.

The product of its digits is 41150592, while the sum is 60.

The spelling of 33947397834 in words is "thirty-three billion, nine hundred forty-seven million, three hundred ninety-seven thousand, eight hundred thirty-four".