3899623345 has 8 divisors (see below), whose sum is σ = 4788374976. Its totient is φ = 3047147376.

The previous prime is 3899623337. The next prime is 3899623397. The reversal of 3899623345 is 5433269983.

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 3899623345 - 2³ = 3899623337 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3899623292 and 3899623301.

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, 9068677 + ... + 9069106.

It is an arithmetic number, because the mean of its divisors is an integer number (598546872).

Almost surely, 2^3899623345 is an apocalyptic number.

It is an amenable number.

3899623345 is a deficient number, since it is larger than the sum of its proper divisors (888751631).

3899623345 is a wasteful number, since it uses less digits than its factorization.

3899623345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18137831.

The product of its digits is 4199040, while the sum is 52.

The square root of 3899623345 is about 62446.9642576803. The cubic root of 3899623345 is about 1574.0102416740.

The spelling of 3899623345 in words is "three billion, eight hundred ninety-nine million, six hundred twenty-three thousand, three hundred forty-five".