2996379649 has 4 divisors (see below), whose sum is σ = 2999204820. Its totient is φ = 2993554480.

The previous prime is 2996379623. The next prime is 2996379689. The reversal of 2996379649 is 9469736992.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1178892225 + 1817487424 = 34335^2 + 42632^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2996379649 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2996379689) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1410994 + ... + 1413115.

It is an arithmetic number, because the mean of its divisors is an integer number (749801205).

Almost surely, 2^2996379649 is an apocalyptic number.

It is an amenable number.

2996379649 is a deficient number, since it is larger than the sum of its proper divisors (2825171).

2996379649 is a wasteful number, since it uses less digits than its factorization.

2996379649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2825170.

The product of its digits is 39680928, while the sum is 64.

The square root of 2996379649 is about 54739.1966418946. The cubic root of 2996379649 is about 1441.6691756996.

The spelling of 2996379649 in words is "two billion, nine hundred ninety-six million, three hundred seventy-nine thousand, six hundred forty-nine".