2494591138 has 16 divisors (see below), whose sum is σ = 4033463616. Its totient is φ = 1150281360.

The previous prime is 2494591133. The next prime is 2494591139. The reversal of 2494591138 is 8311954942.

It is not an unprimeable number, because it can be changed into a prime (2494591133) 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, 15606 + ... + 72337.

It is an arithmetic number, because the mean of its divisors is an integer number (252091476).

Almost surely, 2^2494591138 is an apocalyptic number.

2494591138 is a deficient number, since it is larger than the sum of its proper divisors (1538872478).

2494591138 is a wasteful number, since it uses less digits than its factorization.

2494591138 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89049.

The product of its digits is 311040, while the sum is 46.

The square root of 2494591138 is about 49945.8820925209. The cubic root of 2494591138 is about 1356.2293075396.

The spelling of 2494591138 in words is "two billion, four hundred ninety-four million, five hundred ninety-one thousand, one hundred thirty-eight".