2499849099 has 24 divisors (see below), whose sum is σ = 4170874032. Its totient is φ = 1425937920.

The previous prime is 2499849091. The next prime is 2499849103. The reversal of 2499849099 is 9909489942.

It is not a de Polignac number, because 2499849099 - 2³ = 2499849091 is a prime.

It is a super-2 number, since 2×2499849099² = 12498491035542223602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2499849091) 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, 740994 + ... + 744359.

It is an arithmetic number, because the mean of its divisors is an integer number (173786418).

Almost surely, 2^2499849099 is an apocalyptic number.

2499849099 is a deficient number, since it is larger than the sum of its proper divisors (1671024933).

2499849099 is a wasteful number, since it uses less digits than its factorization.

2499849099 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1485387 (or 1485384 counting only the distinct ones).

The product of its (nonzero) digits is 15116544, while the sum is 63.

The square root of 2499849099 is about 49998.4909672282. The cubic root of 2499849099 is about 1357.1815005258.

The spelling of 2499849099 in words is "two billion, four hundred ninety-nine million, eight hundred forty-nine thousand, ninety-nine".