426290519 has 4 divisors (see below), whose sum is σ = 436204296. Its totient is φ = 416376744.

The previous prime is 426290507. The next prime is 426290537. The reversal of 426290519 is 915092624.

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 426290519 - 2²⁸ = 157855063 is a prime.

It is a super-2 number, since 2×426290519² = 363447213178578722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426290539) 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, 4956824 + ... + 4956909.

It is an arithmetic number, because the mean of its divisors is an integer number (109051074).

Almost surely, 2^426290519 is an apocalyptic number.

426290519 is a deficient number, since it is larger than the sum of its proper divisors (9913777).

426290519 is an equidigital number, since it uses as much as digits as its factorization.

426290519 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9913776.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 426290519 is about 20646.8040868315. The cubic root of 426290519 is about 752.6075277445.

The spelling of 426290519 in words is "four hundred twenty-six million, two hundred ninety thousand, five hundred nineteen".