2894739539 has 4 divisors (see below), whose sum is σ = 2894940624. Its totient is φ = 2894538456.

The previous prime is 2894739527. The next prime is 2894739553. The reversal of 2894739539 is 9359374982.

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

It is a cyclic number.

It is not a de Polignac number, because 2894739539 - 2⁸ = 2894739283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2894739599) 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, 77132 + ... + 108345.

It is an arithmetic number, because the mean of its divisors is an integer number (723735156).

Almost surely, 2^2894739539 is an apocalyptic number.

2894739539 is a deficient number, since it is larger than the sum of its proper divisors (201085).

2894739539 is a wasteful number, since it uses less digits than its factorization.

2894739539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201084.

The product of its digits is 14696640, while the sum is 59.

The square root of 2894739539 is about 53802.7837476835. The cubic root of 2894739539 is about 1425.1803672791.

It can be divided in two parts, 28947 and 39539, that added together give a palindrome (68486).

The spelling of 2894739539 in words is "two billion, eight hundred ninety-four million, seven hundred thirty-nine thousand, five hundred thirty-nine".