426447352065 has 24 divisors (see below), whose sum is σ = 793714256640. Its totient is φ = 194947360608.

The previous prime is 426447352031. The next prime is 426447352073. The reversal of 426447352065 is 560253744624.

It is a happy number.

It is not a de Polignac number, because 426447352065 - 2⁷ = 426447351937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 290099505 + ... + 290100974.

It is an arithmetic number, because the mean of its divisors is an integer number (33071427360).

Almost surely, 2^426447352065 is an apocalyptic number.

It is an amenable number.

426447352065 is a deficient number, since it is larger than the sum of its proper divisors (367266904575).

426447352065 is a wasteful number, since it uses less digits than its factorization.

426447352065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 580200501 (or 580200494 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 48.

The spelling of 426447352065 in words is "four hundred twenty-six billion, four hundred forty-seven million, three hundred fifty-two thousand, sixty-five".