39122843081 has 16 divisors (see below), whose sum is σ = 45661862400. Its totient is φ = 33506262720.

The previous prime is 39122843059. The next prime is 39122843083. The reversal of 39122843081 is 18034822193.

It is not a de Polignac number, because 39122843081 - 2⁶ = 39122843017 is a prime.

It is a super-2 number, since 2×39122843081² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (39122843083) 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, 375905 + ... + 468561.

It is an arithmetic number, because the mean of its divisors is an integer number (2853866400).

Almost surely, 2^39122843081 is an apocalyptic number.

It is an amenable number.

39122843081 is a deficient number, since it is larger than the sum of its proper divisors (6539019319).

39122843081 is an equidigital number, since it uses as much as digits as its factorization.

39122843081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93909 (or 93895 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The spelling of 39122843081 in words is "thirty-nine billion, one hundred twenty-two million, eight hundred forty-three thousand, eighty-one".