426288196569 has 8 divisors (see below), whose sum is σ = 568450533952. Its totient is φ = 284158995120.

The previous prime is 426288196541. The next prime is 426288196603. The reversal of 426288196569 is 965691882624.

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

It is not a de Polignac number, because 426288196569 - 2¹⁵ = 426288163801 is a prime.

It is a super-2 number, since 2×426288196569² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (426288196519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8253949 + ... + 8305434.

It is an arithmetic number, because the mean of its divisors is an integer number (71056316744).

Almost surely, 2^426288196569 is an apocalyptic number.

It is an amenable number.

426288196569 is a deficient number, since it is larger than the sum of its proper divisors (142162337383).

426288196569 is a wasteful number, since it uses less digits than its factorization.

426288196569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16567967.

The product of its digits is 89579520, while the sum is 66.

The spelling of 426288196569 in words is "four hundred twenty-six billion, two hundred eighty-eight million, one hundred ninety-six thousand, five hundred sixty-nine".