2317621498561 has 16 divisors (see below), whose sum is σ = 2413113523200. Its totient is φ = 2223171332928.

The previous prime is 2317621498559. The next prime is 2317621498583. The reversal of 2317621498561 is 1658941267132.

It is a cyclic number.

It is not a de Polignac number, because 2317621498561 - 2¹ = 2317621498559 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2317621498501) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 42402096 + ... + 42456718.

It is an arithmetic number, because the mean of its divisors is an integer number (150819595200).

Almost surely, 2^{2317621498561} is an apocalyptic number.

It is an amenable number.

2317621498561 is a deficient number, since it is larger than the sum of its proper divisors (95492024639).

2317621498561 is a wasteful number, since it uses less digits than its factorization.

2317621498561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64128.

The product of its digits is 4354560, while the sum is 55.

It can be divided in two parts, 2317621 and 498561, that added together give a palindrome (2816182).

The spelling of 2317621498561 in words is "two trillion, three hundred seventeen billion, six hundred twenty-one million, four hundred ninety-eight thousand, five hundred sixty-one".