2986757649 has 24 divisors (see below), whose sum is σ = 4618255200. Its totient is φ = 1854394560.

The previous prime is 2986757593. The next prime is 2986757689. The reversal of 2986757649 is 9467576892.

It is not a de Polignac number, because 2986757649 - 2⁸ = 2986757393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2986757689) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 137932 + ... + 158109.

It is an arithmetic number, because the mean of its divisors is an integer number (192427300).

Almost surely, 2^2986757649 is an apocalyptic number.

It is an amenable number.

2986757649 is a deficient number, since it is larger than the sum of its proper divisors (1631497551).

2986757649 is a wasteful number, since it uses less digits than its factorization.

2986757649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296125 (or 296122 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 63.

The square root of 2986757649 is about 54651.2364818949. The cubic root of 2986757649 is about 1440.1243541335.

The spelling of 2986757649 in words is "two billion, nine hundred eighty-six million, seven hundred fifty-seven thousand, six hundred forty-nine".