3945752145916 has 24 divisors (see below), whose sum is σ = 8075027649920. Its totient is φ = 1651710200112.

The previous prime is 3945752145911. The next prime is 3945752145931. The reversal of 3945752145916 is 6195412575493.

It is a super-3 number, since 3×3945752145916³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3945752145911) 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, 1638600186 + ... + 1638602593.

Almost surely, 2^{3945752145916} is an apocalyptic number.

It is an amenable number.

3945752145916 is an abundant number, since it is smaller than the sum of its proper divisors (4129275504004).

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

3945752145916 is a wasteful number, since it uses less digits than its factorization.

3945752145916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3277202833 (or 3277202831 counting only the distinct ones).

The product of its digits is 40824000, while the sum is 61.

The spelling of 3945752145916 in words is "three trillion, nine hundred forty-five billion, seven hundred fifty-two million, one hundred forty-five thousand, nine hundred sixteen".