39221812434 has 16 divisors (see below), whose sum is σ = 89649857088. Its totient is φ = 11206232112.

The previous prime is 39221812387. The next prime is 39221812453. The reversal of 39221812434 is 43421812293.

It is a junction number, because it is equal to n+sod(n) for n = 39221812392 and 39221812401.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 466926297 + ... + 466926380.

It is an arithmetic number, because the mean of its divisors is an integer number (5603116068).

Almost surely, 2^39221812434 is an apocalyptic number.

39221812434 is an abundant number, since it is smaller than the sum of its proper divisors (50428044654).

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

39221812434 is a wasteful number, since it uses less digits than its factorization.

39221812434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 933852689.

The product of its digits is 82944, while the sum is 39.

The spelling of 39221812434 in words is "thirty-nine billion, two hundred twenty-one million, eight hundred twelve thousand, four hundred thirty-four".