16395551093 has 2 divisors, whose sum is σ = 16395551094. Its totient is φ = 16395551092.

The previous prime is 16395551069. The next prime is 16395551177. The reversal of 16395551093 is 39015559361.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16296309649 + 99241444 = 127657^2 + 9962^2 .

It is a cyclic number.

It is not a de Polignac number, because 16395551093 - 2⁸ = 16395550837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13395551093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8197775546 + 8197775547.

It is an arithmetic number, because the mean of its divisors is an integer number (8197775547).

Almost surely, 2^16395551093 is an apocalyptic number.

It is an amenable number.

16395551093 is a deficient number, since it is larger than the sum of its proper divisors (1).

16395551093 is an equidigital number, since it uses as much as digits as its factorization.

16395551093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 546750, while the sum is 47.

The spelling of 16395551093 in words is "sixteen billion, three hundred ninety-five million, five hundred fifty-one thousand, ninety-three".