2494695539 has 4 divisors (see below), whose sum is σ = 2851080624. Its totient is φ = 2138310456.

The previous prime is 2494695523. The next prime is 2494695569. The reversal of 2494695539 is 9355964942.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9355964942 = 2 ⋅4677982471.

It is a cyclic number.

It is not a de Polignac number, because 2494695539 - 2⁴ = 2494695523 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2494695569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 178192532 + ... + 178192545.

It is an arithmetic number, because the mean of its divisors is an integer number (712770156).

Almost surely, 2^2494695539 is an apocalyptic number.

2494695539 is a deficient number, since it is larger than the sum of its proper divisors (356385085).

2494695539 is an equidigital number, since it uses as much as digits as its factorization.

2494695539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 356385084.

The product of its digits is 10497600, while the sum is 56.

The square root of 2494695539 is about 49946.9272228032. The cubic root of 2494695539 is about 1356.2482271024.

The spelling of 2494695539 in words is "two billion, four hundred ninety-four million, six hundred ninety-five thousand, five hundred thirty-nine".