2499999930 has 64 divisors (see below), whose sum is σ = 6792491520. Its totient is φ = 654084288.

The previous prime is 2499999883. The next prime is 2499999959. The reversal of 2499999930 is 399999942.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73042 + ... + 101661.

It is an arithmetic number, because the mean of its divisors is an integer number (106132680).

Almost surely, 2^2499999930 is an apocalyptic number.

2499999930 is an abundant number, since it is smaller than the sum of its proper divisors (4292491590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2499999930 is a wasteful number, since it uses less digits than its factorization.

2499999930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174772 (or 174766 counting only the distinct ones).

The product of its (nonzero) digits is 12754584, while the sum is 63.

The square root of 2499999930 is about 49999.9993000000. Note that the first 3 decimals coincide. The cubic root of 2499999930 is about 1357.2087956302.

The spelling of 2499999930 in words is "two billion, four hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred thirty".