426994826529 has 64 divisors (see below), whose sum is σ = 631071751680. Its totient is φ = 255664926720.

The previous prime is 426994826509. The next prime is 426994826593. The reversal of 426994826529 is 925628499624.

It is not a de Polignac number, because 426994826529 - 2⁵ = 426994826497 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 426994826529.

It is not an unprimeable number, because it can be changed into a prime (426994826509) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 41318247 + ... + 41328579.

It is an arithmetic number, because the mean of its divisors is an integer number (9860496120).

Almost surely, 2^426994826529 is an apocalyptic number.

It is an amenable number.

426994826529 is a deficient number, since it is larger than the sum of its proper divisors (204076925151).

426994826529 is a wasteful number, since it uses less digits than its factorization.

426994826529 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10810.

The product of its digits is 134369280, while the sum is 66.

The spelling of 426994826529 in words is "four hundred twenty-six billion, nine hundred ninety-four million, eight hundred twenty-six thousand, five hundred twenty-nine".