2994780317 has 6 divisors (see below), whose sum is σ = 3051691578. Its totient is φ = 2937884144.

The previous prime is 2994780281. The next prime is 2994780331. The reversal of 2994780317 is 7130874992.

It can be written as a sum of positive squares in 3 ways, for example, as 2222273881 + 772506436 = 47141^2 + 27794^2 .

It is a de Polignac number, because none of the positive numbers 2^k-2994780317 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 (2994780617) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 394643 + ... + 402159.

It is an arithmetic number, because the mean of its divisors is an integer number (508615263).

Almost surely, 2^2994780317 is an apocalyptic number.

It is an amenable number.

2994780317 is a deficient number, since it is larger than the sum of its proper divisors (56911261).

2994780317 is an frugal number, since it uses more digits than its factorization.

2994780317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15087 (or 7570 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 50.

The square root of 2994780317 is about 54724.5860377217. The cubic root of 2994780317 is about 1441.4126307726.

The spelling of 2994780317 in words is "two billion, nine hundred ninety-four million, seven hundred eighty thousand, three hundred seventeen".