426515893 has 4 divisors (see below), whose sum is σ = 430656928. Its totient is φ = 422374860.

The previous prime is 426515879. The next prime is 426515939. The reversal of 426515893 is 398515624.

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 426515893 - 2⁵ = 426515861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (426515813) 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, 2070363 + ... + 2070568.

It is an arithmetic number, because the mean of its divisors is an integer number (107664232).

Almost surely, 2^426515893 is an apocalyptic number.

It is an amenable number.

426515893 is a deficient number, since it is larger than the sum of its proper divisors (4141035).

426515893 is a wasteful number, since it uses less digits than its factorization.

426515893 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4141034.

The product of its digits is 259200, while the sum is 43.

The square root of 426515893 is about 20652.2612079162. The cubic root of 426515893 is about 752.7401354995.

The spelling of 426515893 in words is "four hundred twenty-six million, five hundred fifteen thousand, eight hundred ninety-three".