3945308615 has 16 divisors (see below), whose sum is σ = 4762457856. Its totient is φ = 3137568000.

The previous prime is 3945308597. The next prime is 3945308621. The reversal of 3945308615 is 5168035493.

3945308615 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3945308615 - 2⁶ = 3945308551 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 814250 + ... + 819080.

It is an arithmetic number, because the mean of its divisors is an integer number (297653616).

Almost surely, 2^3945308615 is an apocalyptic number.

3945308615 is a deficient number, since it is larger than the sum of its proper divisors (817149241).

3945308615 is a wasteful number, since it uses less digits than its factorization.

3945308615 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5770.

The product of its (nonzero) digits is 388800, while the sum is 44.

The square root of 3945308615 is about 62811.6917062421. The cubic root of 3945308615 is about 1580.1330624196.

The spelling of 3945308615 in words is "three billion, nine hundred forty-five million, three hundred eight thousand, six hundred fifteen".