2971296649 has 8 divisors (see below), whose sum is σ = 3067822080. Its totient is φ = 2874813600.

The previous prime is 2971296623. The next prime is 2971296659. The reversal of 2971296649 is 9466921792.

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 2971296649 - 2¹⁷ = 2971165577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2971296649.

It is not an unprimeable number, because it can be changed into a prime (2971296659) 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, 196344 + ... + 210934.

It is an arithmetic number, because the mean of its divisors is an integer number (383477760).

Almost surely, 2^2971296649 is an apocalyptic number.

It is an amenable number.

2971296649 is a deficient number, since it is larger than the sum of its proper divisors (96525431).

2971296649 is a wasteful number, since it uses less digits than its factorization.

2971296649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21191.

The product of its digits is 2939328, while the sum is 55.

The square root of 2971296649 is about 54509.6014386457. The cubic root of 2971296649 is about 1437.6351115247.

The spelling of 2971296649 in words is "two billion, nine hundred seventy-one million, two hundred ninety-six thousand, six hundred forty-nine".