2888974649 has 4 divisors (see below), whose sum is σ = 3151608720. Its totient is φ = 2626340580.

The previous prime is 2888974603. The next prime is 2888974667. The reversal of 2888974649 is 9464798882.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2888974649 - 2²⁸ = 2620539193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2888979649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 131317019 + ... + 131317040.

It is an arithmetic number, because the mean of its divisors is an integer number (787902180).

Almost surely, 2^2888974649 is an apocalyptic number.

It is an amenable number.

2888974649 is a deficient number, since it is larger than the sum of its proper divisors (262634071).

2888974649 is a wasteful number, since it uses less digits than its factorization.

2888974649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262634070.

The product of its digits is 55738368, while the sum is 65.

The square root of 2888974649 is about 53749.1827751827. The cubic root of 2888974649 is about 1424.2336536451.

The spelling of 2888974649 in words is "two billion, eight hundred eighty-eight million, nine hundred seventy-four thousand, six hundred forty-nine".