426437169 has 4 divisors (see below), whose sum is σ = 568582896. Its totient is φ = 284291444.

The previous prime is 426437161. The next prime is 426437183. The reversal of 426437169 is 961734624.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 426437169 - 2³ = 426437161 is a prime.

It is a super-2 number, since 2×426437169² = 363697318209469122, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 426437169.

It is not an unprimeable number, because it can be changed into a prime (426437161) 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, 71072859 + ... + 71072864.

It is an arithmetic number, because the mean of its divisors is an integer number (142145724).

Almost surely, 2^426437169 is an apocalyptic number.

It is an amenable number.

426437169 is a deficient number, since it is larger than the sum of its proper divisors (142145727).

426437169 is a wasteful number, since it uses less digits than its factorization.

426437169 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142145726.

The product of its digits is 217728, while the sum is 42.

The square root of 426437169 is about 20650.3551785435. The cubic root of 426437169 is about 752.6938204136.

The spelling of 426437169 in words is "four hundred twenty-six million, four hundred thirty-seven thousand, one hundred sixty-nine".