4139806722 has 16 divisors (see below), whose sum is σ = 8280359040. Its totient is φ = 1379811312.

The previous prime is 4139806721. The next prime is 4139806747. The reversal of 4139806722 is 2276089314.

It is not an unprimeable number, because it can be changed into a prime (4139806721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 63048 + ... + 110700.

It is an arithmetic number, because the mean of its divisors is an integer number (517522440).

Almost surely, 2^4139806722 is an apocalyptic number.

4139806722 is an abundant number, since it is smaller than the sum of its proper divisors (4140552318).

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

4139806722 is a wasteful number, since it uses less digits than its factorization.

4139806722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62137.

The product of its (nonzero) digits is 145152, while the sum is 42.

The square root of 4139806722 is about 64341.3298121822. The cubic root of 4139806722 is about 1605.6837854662.

The spelling of 4139806722 in words is "four billion, one hundred thirty-nine million, eight hundred six thousand, seven hundred twenty-two".