3945695016 has 32 divisors (see below), whose sum is σ = 9877044960. Its totient is φ = 1313524032.

The previous prime is 3945695009. The next prime is 3945695023. The reversal of 3945695016 is 6105965493.

It is a happy number.

3945695016 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3945695009) and next prime (3945695023).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

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, 87790 + ... + 124893.

It is an arithmetic number, because the mean of its divisors is an integer number (308657655).

Almost surely, 2^3945695016 is an apocalyptic number.

It is an amenable number.

3945695016 is an abundant number, since it is smaller than the sum of its proper divisors (5931349944).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3945695016 is a wasteful number, since it uses less digits than its factorization.

3945695016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213465 (or 213461 counting only the distinct ones).

The product of its (nonzero) digits is 874800, while the sum is 48.

The square root of 3945695016 is about 62814.7674993707. The cubic root of 3945695016 is about 1580.1846464758.

The spelling of 3945695016 in words is "three billion, nine hundred forty-five million, six hundred ninety-five thousand, sixteen".