16996073909 has 2 divisors, whose sum is σ = 16996073910. Its totient is φ = 16996073908.

The previous prime is 16996073903. The next prime is 16996073959. The reversal of 16996073909 is 90937069961.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16719783025 + 276290884 = 129305^2 + 16622^2 .

It is a cyclic number.

It is not a de Polignac number, because 16996073909 - 2⁴ = 16996073893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (16996073903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8498036954 + 8498036955.

It is an arithmetic number, because the mean of its divisors is an integer number (8498036955).

Almost surely, 2^16996073909 is an apocalyptic number.

It is an amenable number.

16996073909 is a deficient number, since it is larger than the sum of its proper divisors (1).

16996073909 is an equidigital number, since it uses as much as digits as its factorization.

16996073909 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4960116, while the sum is 59.

The spelling of 16996073909 in words is "sixteen billion, nine hundred ninety-six million, seventy-three thousand, nine hundred nine".