361431922898 has 6 divisors (see below), whose sum is σ = 542149159671. Its totient is φ = 180715536342.

The previous prime is 361431922853. The next prime is 361431922903. The reversal of 361431922898 is 898229134163.

It can be written as a sum of positive squares in only one way, i.e., 180715961449 + 180715961449 = 425107^2 + 425107^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=425107.

It is a Duffinian number.

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 2 ways as a sum of consecutive naturals, for example, 637661 + ... + 1062767.

Almost surely, 2^361431922898 is an apocalyptic number.

361431922898 is a deficient number, since it is larger than the sum of its proper divisors (180717236773).

361431922898 is an frugal number, since it uses more digits than its factorization.

361431922898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850216 (or 425109 counting only the distinct ones).

The product of its digits is 4478976, while the sum is 56.

The spelling of 361431922898 in words is "three hundred sixty-one billion, four hundred thirty-one million, nine hundred twenty-two thousand, eight hundred ninety-eight".