3865919147328 has 112 divisors (see below), whose sum is σ = 11718956398464. Its totient is φ = 1101793689600.

The previous prime is 3865919147291. The next prime is 3865919147357. The reversal of 3865919147328 is 8237419195683.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-3 number, since 3×3865919147328³ (a number of 39 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3047625 + ... + 4125512.

It is an arithmetic number, because the mean of its divisors is an integer number (104633539272).

Almost surely, 2^{3865919147328} is an apocalyptic number.

It is an amenable number.

3865919147328 is an abundant number, since it is smaller than the sum of its proper divisors (7853037251136).

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

3865919147328 is a wasteful number, since it uses less digits than its factorization.

3865919147328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7173560 (or 7173550 counting only the distinct ones).

The product of its digits is 78382080, while the sum is 66.

The spelling of 3865919147328 in words is "three trillion, eight hundred sixty-five billion, nine hundred nineteen million, one hundred forty-seven thousand, three hundred twenty-eight".