2499644343 has 8 divisors (see below), whose sum is σ = 3808981888. Its totient is φ = 1428368184.

The previous prime is 2499644341. The next prime is 2499644363. The reversal of 2499644343 is 3434469942.

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

It is not a de Polignac number, because 2499644343 - 2¹ = 2499644341 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2499644292 and 2499644301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2499644341) 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, 59515321 + ... + 59515362.

It is an arithmetic number, because the mean of its divisors is an integer number (476122736).

Almost surely, 2^2499644343 is an apocalyptic number.

2499644343 is a deficient number, since it is larger than the sum of its proper divisors (1309337545).

2499644343 is a wasteful number, since it uses less digits than its factorization.

2499644343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119030693.

The product of its digits is 2239488, while the sum is 48.

The square root of 2499644343 is about 49996.4433034991. The cubic root of 2499644343 is about 1357.1444451368.

The spelling of 2499644343 in words is "two billion, four hundred ninety-nine million, six hundred forty-four thousand, three hundred forty-three".