369131222642 has 54 divisors (see below), whose sum is σ = 697601173959. Its totient is φ = 145999002240.

The previous prime is 369131222641. The next prime is 369131222657. The reversal of 369131222642 is 246222131963.

It can be written as a sum of positive squares in 5 ways, for example, as 65663550001 + 303467672641 = 256249^2 + 550879^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=429611.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 369131222642.

It is not an unprimeable number, because it can be changed into a prime (369131222641) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 78186842 + ... + 78191562.

Almost surely, 2^369131222642 is an apocalyptic number.

369131222642 is a deficient number, since it is larger than the sum of its proper divisors (328469951317).

369131222642 is an frugal number, since it uses more digits than its factorization.

369131222642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9484 (or 4743 counting only the distinct ones).

The product of its digits is 186624, while the sum is 41.

The spelling of 369131222642 in words is "three hundred sixty-nine billion, one hundred thirty-one million, two hundred twenty-two thousand, six hundred forty-two".