16409836831 has 2 divisors, whose sum is σ = 16409836832. Its totient is φ = 16409836830.

The previous prime is 16409836829. The next prime is 16409836867. The reversal of 16409836831 is 13863890461.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16409836831 - 2¹ = 16409836829 is a prime.

It is a super-2 number, since 2×16409836831² (a number of 21 digits) contains 22 as substring.

Together with 16409836829, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16409836801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8204918415 + 8204918416.

It is an arithmetic number, because the mean of its divisors is an integer number (8204918416).

Almost surely, 2^16409836831 is an apocalyptic number.

16409836831 is a deficient number, since it is larger than the sum of its proper divisors (1).

16409836831 is an equidigital number, since it uses as much as digits as its factorization.

16409836831 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 746496, while the sum is 49.

The spelling of 16409836831 in words is "sixteen billion, four hundred nine million, eight hundred thirty-six thousand, eight hundred thirty-one".