2897948641 has 24 divisors (see below), whose sum is σ = 3526813440. Its totient is φ = 2369771712.

The previous prime is 2897948617. The next prime is 2897948689. The reversal of 2897948641 is 1468497982.

It is not a de Polignac number, because 2897948641 - 2²⁷ = 2763730913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2897948441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 457800 + ... + 464086.

It is an arithmetic number, because the mean of its divisors is an integer number (146950560).

Almost surely, 2^2897948641 is an apocalyptic number.

It is an amenable number.

2897948641 is a deficient number, since it is larger than the sum of its proper divisors (628864799).

2897948641 is a wasteful number, since it uses less digits than its factorization.

2897948641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6733 (or 6726 counting only the distinct ones).

The product of its digits is 6967296, while the sum is 58.

The square root of 2897948641 is about 53832.5983118036. The cubic root of 2897948641 is about 1425.7068234098.

The spelling of 2897948641 in words is "two billion, eight hundred ninety-seven million, nine hundred forty-eight thousand, six hundred forty-one".