2945897239 has 8 divisors (see below), whose sum is σ = 2955360240. Its totient is φ = 2936446656.

The previous prime is 2945897219. The next prime is 2945897257. The reversal of 2945897239 is 9327985492.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2945897239 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 (2945897219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 724099 + ... + 728155.

It is an arithmetic number, because the mean of its divisors is an integer number (369420030).

Almost surely, 2^2945897239 is an apocalyptic number.

2945897239 is a deficient number, since it is larger than the sum of its proper divisors (9463001).

2945897239 is a wasteful number, since it uses less digits than its factorization.

2945897239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6209.

The product of its digits is 9797760, while the sum is 58.

The square root of 2945897239 is about 54276.1203385061. The cubic root of 2945897239 is about 1433.5269581164.

The spelling of 2945897239 in words is "two billion, nine hundred forty-five million, eight hundred ninety-seven thousand, two hundred thirty-nine".