2499949994 has 48 divisors (see below), whose sum is σ = 4184552448. Its totient is φ = 1117763328.

The previous prime is 2499949993. The next prime is 2499949999. The reversal of 2499949994 is 4999499942.

It is not an unprimeable number, because it can be changed into a prime (2499949993) 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 23 ways as a sum of consecutive naturals, for example, 2299319 + ... + 2300405.

It is an arithmetic number, because the mean of its divisors is an integer number (87178176).

Almost surely, 2^2499949994 is an apocalyptic number.

2499949994 is a deficient number, since it is larger than the sum of its proper divisors (1684602454).

2499949994 is a wasteful number, since it uses less digits than its factorization.

2499949994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319 (or 1302 counting only the distinct ones).

The product of its digits is 68024448, while the sum is 68.

The square root of 2499949994 is about 49999.4999374994. The cubic root of 2499949994 is about 1357.1997590926.

The spelling of 2499949994 in words is "two billion, four hundred ninety-nine million, nine hundred forty-nine thousand, nine hundred ninety-four".