3945716901 has 16 divisors (see below), whose sum is σ = 6680579200. Its totient is φ = 2254695264.

The previous prime is 3945716891. The next prime is 3945716923. The reversal of 3945716901 is 1096175493.

3945716901 is a `hidden beast` number, since 39 + 457 + 169 + 0 + 1 = 666.

It is not a de Polignac number, because 3945716901 - 2⁶ = 3945716837 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 (3945716101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10438216 + ... + 10438593.

It is an arithmetic number, because the mean of its divisors is an integer number (417536200).

Almost surely, 2^3945716901 is an apocalyptic number.

It is an amenable number.

3945716901 is a deficient number, since it is larger than the sum of its proper divisors (2734862299).

3945716901 is a wasteful number, since it uses less digits than its factorization.

3945716901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20876825 (or 20876819 counting only the distinct ones).

The product of its (nonzero) digits is 204120, while the sum is 45.

The square root of 3945716901 is about 62814.9417017958. The cubic root of 3945716901 is about 1580.1875679955.

The spelling of 3945716901 in words is "three billion, nine hundred forty-five million, seven hundred sixteen thousand, nine hundred one".