426746504815 has 8 divisors (see below), whose sum is σ = 513642925008. Its totient is φ = 340365791040.

The previous prime is 426746504797. The next prime is 426746504837. The reversal of 426746504815 is 518405647624.

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

It is a de Polignac number, because none of the positive numbers 2^k-426746504815 is a prime.

It is a super-2 number, since 2×426746504815² (a number of 24 digits) contains 22 as substring.

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, 128924782 + ... + 128928091.

It is an arithmetic number, because the mean of its divisors is an integer number (64205365626).

Almost surely, 2^426746504815 is an apocalyptic number.

426746504815 is a deficient number, since it is larger than the sum of its proper divisors (86896420193).

426746504815 is a wasteful number, since it uses less digits than its factorization.

426746504815 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257853209.

The product of its (nonzero) digits is 6451200, while the sum is 52.

The spelling of 426746504815 in words is "four hundred twenty-six billion, seven hundred forty-six million, five hundred four thousand, eight hundred fifteen".