16426342531 has 4 divisors (see below), whose sum is σ = 17392597992. Its totient is φ = 15460087072.

The previous prime is 16426342507. The next prime is 16426342571. The reversal of 16426342531 is 13524362461.

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 16426342531 - 2³³ = 7836407939 is a prime.

It is a super-2 number, since 2×16426342531² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (16426342501) 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, 483127705 + ... + 483127738.

It is an arithmetic number, because the mean of its divisors is an integer number (4348149498).

Almost surely, 2^16426342531 is an apocalyptic number.

16426342531 is a deficient number, since it is larger than the sum of its proper divisors (966255461).

16426342531 is an equidigital number, since it uses as much as digits as its factorization.

16426342531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 966255460.

The product of its digits is 103680, while the sum is 37.

The spelling of 16426342531 in words is "sixteen billion, four hundred twenty-six million, three hundred forty-two thousand, five hundred thirty-one".