561672222839 has 64 divisors (see below), whose sum is σ = 722584939776. Its totient is φ = 424774139904.

The previous prime is 561672222809. The next prime is 561672222887. The reversal of 561672222839 is 938222276165.

561672222839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-561672222839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (561672222809) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 44737787 + ... + 44750339.

It is an arithmetic number, because the mean of its divisors is an integer number (11290389684).

Almost surely, 2^561672222839 is an apocalyptic number.

561672222839 is a deficient number, since it is larger than the sum of its proper divisors (160912716937).

561672222839 is a wasteful number, since it uses less digits than its factorization.

561672222839 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12844.

The product of its digits is 4354560, while the sum is 53.

The spelling of 561672222839 in words is "five hundred sixty-one billion, six hundred seventy-two million, two hundred twenty-two thousand, eight hundred thirty-nine".