3971551795 has 32 divisors (see below), whose sum is σ = 5070003840. Its totient is φ = 2980454400.

The previous prime is 3971551693. The next prime is 3971551799. The reversal of 3971551795 is 5971551793.

3971551795 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3971551795 - 2⁷ = 3971551667 is a prime.

Its product of digits (1488375) is a multiple of the sum of its prime divisors (3375).

It is not an unprimeable number, because it can be changed into a prime (3971551799) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1264467 + ... + 1267603.

It is an arithmetic number, because the mean of its divisors is an integer number (158437620).

Almost surely, 2^3971551795 is an apocalyptic number.

3971551795 is a deficient number, since it is larger than the sum of its proper divisors (1098452045).

3971551795 is a wasteful number, since it uses less digits than its factorization.

3971551795 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3375.

The product of its digits is 1488375, while the sum is 52.

The square root of 3971551795 is about 63020.2490870990. The cubic root of 3971551795 is about 1583.6288692533.

The spelling of 3971551795 in words is "three billion, nine hundred seventy-one million, five hundred fifty-one thousand, seven hundred ninety-five".