2439791845 has 8 divisors (see below), whose sum is σ = 2929810464. Its totient is φ = 1950459984.

The previous prime is 2439791833. The next prime is 2439791857. The reversal of 2439791845 is 5481979342.

It is an interprime number because it is at equal distance from previous prime (2439791833) and next prime (2439791857).

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 2439791845 - 2⁵ = 2439791813 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2439791792 and 2439791801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 163839 + ... + 178108.

It is an arithmetic number, because the mean of its divisors is an integer number (366226308).

Almost surely, 2^2439791845 is an apocalyptic number.

It is an amenable number.

2439791845 is a deficient number, since it is larger than the sum of its proper divisors (490018619).

2439791845 is a wasteful number, since it uses less digits than its factorization.

2439791845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343379.

The product of its digits is 2177280, while the sum is 52.

The square root of 2439791845 is about 49394.2491085754. The cubic root of 2439791845 is about 1346.2248153869.

The spelling of 2439791845 in words is "two billion, four hundred thirty-nine million, seven hundred ninety-one thousand, eight hundred forty-five".