2389277389 has 2 divisors, whose sum is σ = 2389277390. Its totient is φ = 2389277388.

The previous prime is 2389277321. The next prime is 2389277437. The reversal of 2389277389 is 9837729832.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1444760100 + 944517289 = 38010^2 + 30733^2 .

It is a cyclic number.

It is not a de Polignac number, because 2389277389 - 2²⁹ = 1852406477 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2389278389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1194638694 + 1194638695.

It is an arithmetic number, because the mean of its divisors is an integer number (1194638695).

Almost surely, 2^2389277389 is an apocalyptic number.

It is an amenable number.

2389277389 is a deficient number, since it is larger than the sum of its proper divisors (1).

2389277389 is an equidigital number, since it uses as much as digits as its factorization.

2389277389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9144576, while the sum is 58.

The square root of 2389277389 is about 48880.2351569630. The cubic root of 2389277389 is about 1336.8690152540.

The spelling of 2389277389 in words is "two billion, three hundred eighty-nine million, two hundred seventy-seven thousand, three hundred eighty-nine".