2389557899 has 2 divisors, whose sum is σ = 2389557900. Its totient is φ = 2389557898.

The previous prime is 2389557887. The next prime is 2389557917. The reversal of 2389557899 is 9987559832.

2389557899 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2389557899 is a prime.

It is not a weakly prime, because it can be changed into another prime (2389557809) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1194778949 + 1194778950.

It is an arithmetic number, because the mean of its divisors is an integer number (1194778950).

Almost surely, 2^2389557899 is an apocalyptic number.

2389557899 is a deficient number, since it is larger than the sum of its proper divisors (1).

2389557899 is an equidigital number, since it uses as much as digits as its factorization.

2389557899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48988800, while the sum is 65.

The square root of 2389557899 is about 48883.1044329224. The cubic root of 2389557899 is about 1336.9213309952.

The spelling of 2389557899 in words is "two billion, three hundred eighty-nine million, five hundred fifty-seven thousand, eight hundred ninety-nine".