3945700755187 has 6 divisors (see below), whose sum is σ = 4055223494868. Its totient is φ = 3839060192904.

The previous prime is 3945700755133. The next prime is 3945700755193. The reversal of 3945700755187 is 7815570075493.

It is not a de Polignac number, because 3945700755187 - 2³⁵ = 3911341016819 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3945700755487) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1441087293 + ... + 1441090030.

It is an arithmetic number, because the mean of its divisors is an integer number (675870582478).

Almost surely, 2^{3945700755187} is an apocalyptic number.

3945700755187 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

3945700755187 is a deficient number, since it is larger than the sum of its proper divisors (109522739681).

3945700755187 is an equidigital number, since it uses as much as digits as its factorization.

3945700755187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2882177397 (or 2882177360 counting only the distinct ones).

The product of its (nonzero) digits is 37044000, while the sum is 61.

The spelling of 3945700755187 in words is "three trillion, nine hundred forty-five billion, seven hundred million, seven hundred fifty-five thousand, one hundred eighty-seven".