2998764649 has 8 divisors (see below), whose sum is σ = 3006144648. Its totient is φ = 2991394560.

The previous prime is 2998764647. The next prime is 2998764677. The reversal of 2998764649 is 9464678992.

It is a happy number.

2998764649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1911875625 + 1086889024 = 43725^2 + 32968^2 .

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 2998764649 - 2¹ = 2998764647 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2998764647) 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, 1239489 + ... + 1241905.

It is an arithmetic number, because the mean of its divisors is an integer number (375768081).

Almost surely, 2^2998764649 is an apocalyptic number.

It is an amenable number.

2998764649 is a deficient number, since it is larger than the sum of its proper divisors (7379999).

2998764649 is a wasteful number, since it uses less digits than its factorization.

2998764649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4955.

The product of its digits is 47029248, while the sum is 64.

The square root of 2998764649 is about 54760.9774291877. The cubic root of 2998764649 is about 1442.0515781895.

The spelling of 2998764649 in words is "two billion, nine hundred ninety-eight million, seven hundred sixty-four thousand, six hundred forty-nine".