2489977636 has 12 divisors (see below), whose sum is σ = 4359306112. Its totient is φ = 1244461608.

The previous prime is 2489977627. The next prime is 2489977643. The reversal of 2489977636 is 6367799842.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121080 + ... + 140143.

Almost surely, 2^2489977636 is an apocalyptic number.

It is an amenable number.

2489977636 is a deficient number, since it is larger than the sum of its proper divisors (1869328476).

2489977636 is a wasteful number, since it uses less digits than its factorization.

2489977636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263610 (or 263608 counting only the distinct ones).

The product of its digits is 27433728, while the sum is 61.

The square root of 2489977636 is about 49899.6757103691. The cubic root of 2489977636 is about 1355.3927205052.

The spelling of 2489977636 in words is "two billion, four hundred eighty-nine million, nine hundred seventy-seven thousand, six hundred thirty-six".