2439623649 has 8 divisors (see below), whose sum is σ = 3253823712. Its totient is φ = 1625919680.

The previous prime is 2439623629. The next prime is 2439623657. The reversal of 2439623649 is 9463269342.

2439623649 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 2439623649 - 2⁸ = 2439623393 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2439623598 and 2439623607.

It is not an unprimeable number, because it can be changed into a prime (2439623609) 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, 112392 + ... + 132329.

It is an arithmetic number, because the mean of its divisors is an integer number (406727964).

Almost surely, 2^2439623649 is an apocalyptic number.

It is an amenable number.

2439623649 is a deficient number, since it is larger than the sum of its proper divisors (814200063).

2439623649 is a wasteful number, since it uses less digits than its factorization.

2439623649 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248047.

The product of its digits is 1679616, while the sum is 48.

The square root of 2439623649 is about 49392.5464923606. The cubic root of 2439623649 is about 1346.1938790274.

The spelling of 2439623649 in words is "two billion, four hundred thirty-nine million, six hundred twenty-three thousand, six hundred forty-nine".