16889292943 has 2 divisors, whose sum is σ = 16889292944. Its totient is φ = 16889292942.

The previous prime is 16889292941. The next prime is 16889292961. The reversal of 16889292943 is 34929298861.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 16889292943 - 2¹ = 16889292941 is a prime.

It is a super-2 number, since 2×16889292943² (a number of 21 digits) contains 22 as substring.

Together with 16889292941, 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 (16889292941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8444646471 + 8444646472.

It is an arithmetic number, because the mean of its divisors is an integer number (8444646472).

Almost surely, 2^16889292943 is an apocalyptic number.

16889292943 is a deficient number, since it is larger than the sum of its proper divisors (1).

16889292943 is an equidigital number, since it uses as much as digits as its factorization.

16889292943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13436928, while the sum is 61.

The spelling of 16889292943 in words is "sixteen billion, eight hundred eighty-nine million, two hundred ninety-two thousand, nine hundred forty-three".