16424742031 has 2 divisors, whose sum is σ = 16424742032. Its totient is φ = 16424742030.

The previous prime is 16424742023. The next prime is 16424742067. The reversal of 16424742031 is 13024742461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16424742031 - 2³ = 16424742023 is a prime.

It is a super-2 number, since 2×16424742031² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16424742931) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8212371015 + 8212371016.

It is an arithmetic number, because the mean of its divisors is an integer number (8212371016).

Almost surely, 2^16424742031 is an apocalyptic number.

16424742031 is a deficient number, since it is larger than the sum of its proper divisors (1).

16424742031 is an equidigital number, since it uses as much as digits as its factorization.

16424742031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32256, while the sum is 34.

The spelling of 16424742031 in words is "sixteen billion, four hundred twenty-four million, seven hundred forty-two thousand, thirty-one".