16389792553 has 2 divisors, whose sum is σ = 16389792554. Its totient is φ = 16389792552.

The previous prime is 16389792533. The next prime is 16389792563. The reversal of 16389792553 is 35529798361.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15846529689 + 543262864 = 125883^2 + 23308^2 .

It is a cyclic number.

It is not a de Polignac number, because 16389792553 - 2²⁹ = 15852921641 is a prime.

It is not a weakly prime, because it can be changed into another prime (16389792533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8194896276 + 8194896277.

It is an arithmetic number, because the mean of its divisors is an integer number (8194896277).

Almost surely, 2^16389792553 is an apocalyptic number.

It is an amenable number.

16389792553 is a deficient number, since it is larger than the sum of its proper divisors (1).

16389792553 is an equidigital number, since it uses as much as digits as its factorization.

16389792553 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12247200, while the sum is 58.

The spelling of 16389792553 in words is "sixteen billion, three hundred eighty-nine million, seven hundred ninety-two thousand, five hundred fifty-three".