3845955999 has 8 divisors (see below), whose sum is σ = 5212006192. Its totient is φ = 2521938240.

The previous prime is 3845955983. The next prime is 3845956001. The reversal of 3845955999 is 9995595483.

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

It is not a de Polignac number, because 3845955999 - 2⁴ = 3845955983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3845955929) 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, 10507894 + ... + 10508259.

It is an arithmetic number, because the mean of its divisors is an integer number (651500774).

Almost surely, 2^3845955999 is an apocalyptic number.

3845955999 is a deficient number, since it is larger than the sum of its proper divisors (1366050193).

3845955999 is a wasteful number, since it uses less digits than its factorization.

3845955999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21016217.

The product of its digits is 78732000, while the sum is 66.

The square root of 3845955999 is about 62015.7721793416. The cubic root of 3845955999 is about 1566.7562544866.

The spelling of 3845955999 in words is "three billion, eight hundred forty-five million, nine hundred fifty-five thousand, nine hundred ninety-nine".