16230894689 has 2 divisors, whose sum is σ = 16230894690. Its totient is φ = 16230894688.

The previous prime is 16230894623. The next prime is 16230894709. The reversal of 16230894689 is 98649803261.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16230760000 + 134689 = 127400^2 + 367^2 .

It is a cyclic number.

It is not a de Polignac number, because 16230894689 - 2²⁴ = 16214117473 is a prime.

It is not a weakly prime, because it can be changed into another prime (16230894089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8115447344 + 8115447345.

It is an arithmetic number, because the mean of its divisors is an integer number (8115447345).

Almost surely, 2^16230894689 is an apocalyptic number.

It is an amenable number.

16230894689 is a deficient number, since it is larger than the sum of its proper divisors (1).

16230894689 is an equidigital number, since it uses as much as digits as its factorization.

16230894689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4478976, while the sum is 56.

The spelling of 16230894689 in words is "sixteen billion, two hundred thirty million, eight hundred ninety-four thousand, six hundred eighty-nine".