426409999967 has 4 divisors (see below), whose sum is σ = 487325714256. Its totient is φ = 365494285680.

The previous prime is 426409999913. The next prime is 426409999979. The reversal of 426409999967 is 769999904624.

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

It is a cyclic number.

It is not a de Polignac number, because 426409999967 - 2²⁴ = 426393222751 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 426409999894 and 426409999903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426409699967) 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, 30457857134 + ... + 30457857147.

It is an arithmetic number, because the mean of its divisors is an integer number (121831428564).

Almost surely, 2^426409999967 is an apocalyptic number.

426409999967 is a deficient number, since it is larger than the sum of its proper divisors (60915714289).

426409999967 is an equidigital number, since it uses as much as digits as its factorization.

426409999967 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60915714288.

The product of its (nonzero) digits is 476171136, while the sum is 74.

The spelling of 426409999967 in words is "four hundred twenty-six billion, four hundred nine million, nine hundred ninety-nine thousand, nine hundred sixty-seven".