3945789655037 has 8 divisors (see below), whose sum is σ = 4009944484032. Its totient is φ = 3881789604000.

The previous prime is 3945789654941. The next prime is 3945789655043. The reversal of 3945789655037 is 7305569875493.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3945789655037 - 2²⁶ = 3945722546173 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 (3945789655537) 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, 38643089 + ... + 38745062.

It is an arithmetic number, because the mean of its divisors is an integer number (501243060504).

Almost surely, 2^{3945789655037} is an apocalyptic number.

It is an amenable number.

3945789655037 is a deficient number, since it is larger than the sum of its proper divisors (64154828995).

3945789655037 is an equidigital number, since it uses as much as digits as its factorization.

3945789655037 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 77388979.

The product of its (nonzero) digits is 857304000, while the sum is 71.

The spelling of 3945789655037 in words is "three trillion, nine hundred forty-five billion, seven hundred eighty-nine million, six hundred fifty-five thousand, thirty-seven".