426391732907 has 16 divisors (see below), whose sum is σ = 512996252160. Its totient is φ = 346213351872.

The previous prime is 426391732889. The next prime is 426391732909. The reversal of 426391732907 is 709237193624.

It is a cyclic number.

It is not a de Polignac number, because 426391732907 - 2¹² = 426391728811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (426391732909) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1500263 + ... + 1761695.

It is an arithmetic number, because the mean of its divisors is an integer number (32062265760).

Almost surely, 2^426391732907 is an apocalyptic number.

426391732907 is a deficient number, since it is larger than the sum of its proper divisors (86604519253).

426391732907 is a wasteful number, since it uses less digits than its factorization.

426391732907 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 273722.

The product of its (nonzero) digits is 3429216, while the sum is 53.

The spelling of 426391732907 in words is "four hundred twenty-six billion, three hundred ninety-one million, seven hundred thirty-two thousand, nine hundred seven".