426572697655 has 8 divisors (see below), whose sum is σ = 551263178592. Its totient is φ = 315007530528.

The previous prime is 426572697613. The next prime is 426572697697. The reversal of 426572697655 is 556796275624.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (426572697613) and next prime (426572697697).

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

It is a cyclic number.

It is not a de Polignac number, because 426572697655 - 2²³ = 426564309047 is a prime.

It is a Duffinian number.

It is a congruent 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, 3281328379 + ... + 3281328508.

It is an arithmetic number, because the mean of its divisors is an integer number (68907897324).

Almost surely, 2^426572697655 is an apocalyptic number.

426572697655 is a deficient number, since it is larger than the sum of its proper divisors (124690480937).

426572697655 is a wasteful number, since it uses less digits than its factorization.

426572697655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6562656905.

The product of its digits is 190512000, while the sum is 64.

The spelling of 426572697655 in words is "four hundred twenty-six billion, five hundred seventy-two million, six hundred ninety-seven thousand, six hundred fifty-five".