2389277668 has 6 divisors (see below), whose sum is σ = 4181235926. Its totient is φ = 1194638832.

The previous prime is 2389277641. The next prime is 2389277669. The reversal of 2389277668 is 8667729832.

It can be written as a sum of positive squares in only one way, i.e., 2362154404 + 27123264 = 48602^2 + 5208^2 .

It is not an unprimeable number, because it can be changed into a prime (2389277669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 298659705 + ... + 298659712.

Almost surely, 2^2389277668 is an apocalyptic number.

It is an amenable number.

2389277668 is a deficient number, since it is larger than the sum of its proper divisors (1791958258).

2389277668 is a wasteful number, since it uses less digits than its factorization.

2389277668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597319421 (or 597319419 counting only the distinct ones).

The product of its digits is 12192768, while the sum is 58.

The square root of 2389277668 is about 48880.2380108772. The cubic root of 2389277668 is about 1336.8690672901.

The spelling of 2389277668 in words is "two billion, three hundred eighty-nine million, two hundred seventy-seven thousand, six hundred sixty-eight".