2499943834 has 8 divisors (see below), whose sum is σ = 3750151860. Its totient is φ = 1249893216.

The previous prime is 2499943783. The next prime is 2499943843. The reversal of 2499943834 is 4383499942.

It can be written as a sum of positive squares in 2 ways, for example, as 2341108225 + 158835609 = 48385^2 + 12603^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

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, 15832 + ... + 72460.

Almost surely, 2^2499943834 is an apocalyptic number.

2499943834 is a deficient number, since it is larger than the sum of its proper divisors (1250208026).

2499943834 is a wasteful number, since it uses less digits than its factorization.

2499943834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78704.

The product of its digits is 6718464, while the sum is 55.

The square root of 2499943834 is about 49999.4383368453. The cubic root of 2499943834 is about 1357.1986443560.

It can be divided in two parts, 249994 and 3834, that added together give a triangular number (253828 = T₇₁₂).

The spelling of 2499943834 in words is "two billion, four hundred ninety-nine million, nine hundred forty-three thousand, eight hundred thirty-four".