2897741647 has 8 divisors (see below), whose sum is σ = 3167171712. Its totient is φ = 2639308800.

The previous prime is 2897741599. The next prime is 2897741653. The reversal of 2897741647 is 7461477982.

It is a happy number.

2897741647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 2897741647 - 2⁷ = 2897741519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2897741447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2748754 + ... + 2749807.

It is an arithmetic number, because the mean of its divisors is an integer number (395896464).

Almost surely, 2^2897741647 is an apocalyptic number.

2897741647 is a deficient number, since it is larger than the sum of its proper divisors (269430065).

2897741647 is a wasteful number, since it uses less digits than its factorization.

2897741647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5498609.

The product of its digits is 4741632, while the sum is 55.

The square root of 2897741647 is about 53830.6757063294. The cubic root of 2897741647 is about 1425.6728775834.

The spelling of 2897741647 in words is "two billion, eight hundred ninety-seven million, seven hundred forty-one thousand, six hundred forty-seven".