16499494043 has 2 divisors, whose sum is σ = 16499494044. Its totient is φ = 16499494042.

The previous prime is 16499493979. The next prime is 16499494103. The reversal of 16499494043 is 34049499461.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 16499494043 - 2⁶ = 16499493979 is a prime.

It is not a weakly prime, because it can be changed into another prime (16499490043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8249747021 + 8249747022.

It is an arithmetic number, because the mean of its divisors is an integer number (8249747022).

Almost surely, 2^16499494043 is an apocalyptic number.

16499494043 is a deficient number, since it is larger than the sum of its proper divisors (1).

16499494043 is an equidigital number, since it uses as much as digits as its factorization.

16499494043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3359232, while the sum is 53.

The spelling of 16499494043 in words is "sixteen billion, four hundred ninety-nine million, four hundred ninety-four thousand, forty-three".