1696873574881 has 9 divisors (see below), whose sum is σ = 1713643520241. Its totient is φ = 1680266204772.

The previous prime is 1696873574833. The next prime is 1696873574909. The reversal of 1696873574881 is 1884753786961.

The square root of 1696873574881 is 1302641.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 1696873574881 - 2²⁷ = 1696739357153 is a prime.

It is a super-2 number, since 2×1696873574881² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1696873574681) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 134165700 + ... + 134178346.

Almost surely, 2^{1696873574881} is an apocalyptic number.

1696873574881 is the 1302641-st square number.

1696873574881 is the 651321-st centered octagonal number.

It is an amenable number.

1696873574881 is a deficient number, since it is larger than the sum of its proper divisors (16769945360).

1696873574881 is an frugal number, since it uses more digits than its factorization.

1696873574881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25500 (or 12750 counting only the distinct ones).

The product of its digits is 487710720, while the sum is 73.

The spelling of 1696873574881 in words is "one trillion, six hundred ninety-six billion, eight hundred seventy-three million, five hundred seventy-four thousand, eight hundred eighty-one".