2889915649 has 8 divisors (see below), whose sum is σ = 2964648960. Its totient is φ = 2815734336.

The previous prime is 2889915647. The next prime is 2889915659. The reversal of 2889915649 is 9465199882.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2889915649 - 2¹ = 2889915647 is a prime.

It is a super-2 number, since 2×2889915649² = 16703224916670182402, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2889915641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 127384 + ... + 148345.

It is an arithmetic number, because the mean of its divisors is an integer number (370581120).

Almost surely, 2^2889915649 is an apocalyptic number.

It is an amenable number.

2889915649 is a deficient number, since it is larger than the sum of its proper divisors (74733311).

2889915649 is a wasteful number, since it uses less digits than its factorization.

2889915649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275999.

The product of its digits is 11197440, while the sum is 61.

The square root of 2889915649 is about 53757.9356839527. The cubic root of 2889915649 is about 1424.3882711763.

The spelling of 2889915649 in words is "two billion, eight hundred eighty-nine million, nine hundred fifteen thousand, six hundred forty-nine".