56699422499665 has 8 divisors (see below), whose sum is σ = 74224698545088. Its totient is φ = 41235943636080.

The previous prime is 56699422499543. The next prime is 56699422499717.

56699422499665 is nontrivially palindromic in base 10.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 56699422499665 - 2¹³ = 56699422491473 is a prime.

It is a super-2 number, since 2×56699422499665² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 515449295397 + ... + 515449295506.

It is an arithmetic number, because the mean of its divisors is an integer number (9278087318136).

Almost surely, 2^{56699422499665} is an apocalyptic number.

56699422499665 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56699422499665 is a deficient number, since it is larger than the sum of its proper divisors (17525276045423).

56699422499665 is a wasteful number, since it uses less digits than its factorization.

56699422499665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1030898590919.

The product of its digits is 13604889600, while the sum is 82.

The spelling of 56699422499665 in words is "fifty-six trillion, six hundred ninety-nine billion, four hundred twenty-two million, four hundred ninety-nine thousand, six hundred sixty-five".