1426656931 has 4 divisors (see below), whose sum is σ = 1630465072. Its totient is φ = 1222848792.

The previous prime is 1426656887. The next prime is 1426656961. The reversal of 1426656931 is 1396566241.

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 1426656931 - 2²⁵ = 1393102499 is a prime.

It is a super-2 number, since 2×1426656931² = 4070699997540677522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1426656961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 101904060 + ... + 101904073.

It is an arithmetic number, because the mean of its divisors is an integer number (407616268).

Almost surely, 2^1426656931 is an apocalyptic number.

1426656931 is a deficient number, since it is larger than the sum of its proper divisors (203808141).

1426656931 is an equidigital number, since it uses as much as digits as its factorization.

1426656931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 203808140.

The product of its digits is 233280, while the sum is 43.

The square root of 1426656931 is about 37771.1123876435. The cubic root of 1426656931 is about 1125.7445424666.

The spelling of 1426656931 in words is "one billion, four hundred twenty-six million, six hundred fifty-six thousand, nine hundred thirty-one".