56426653859269 has 4 divisors (see below), whose sum is σ = 56457984596140. Its totient is φ = 56395323122400.

The previous prime is 56426653859183. The next prime is 56426653859291. The reversal of 56426653859269 is 96295835662465.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 21626824716225 + 34799829143044 = 4650465^2 + 5899138^2 .

It is a cyclic number.

It is not a de Polignac number, because 56426653859269 - 2⁷ = 56426653859141 is a prime.

It is a super-2 number, since 2×56426653859269² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56426653859195 and 56426653859204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56426653856269) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15665365734 + ... + 15665369335.

It is an arithmetic number, because the mean of its divisors is an integer number (14114496149035).

Almost surely, 2^{56426653859269} is an apocalyptic number.

It is an amenable number.

56426653859269 is a deficient number, since it is larger than the sum of its proper divisors (31330736871).

56426653859269 is a wasteful number, since it uses less digits than its factorization.

56426653859269 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31330736870.

The product of its digits is 5038848000, while the sum is 76.

The spelling of 56426653859269 in words is "fifty-six trillion, four hundred twenty-six billion, six hundred fifty-three million, eight hundred fifty-nine thousand, two hundred sixty-nine".