3916375491 has 16 divisors (see below), whose sum is σ = 6034867200. Its totient is φ = 2212782528.

The previous prime is 3916375453. The next prime is 3916375511. The reversal of 3916375491 is 1945736193.

It is not a de Polignac number, because 3916375491 - 2²⁷ = 3782157763 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3916375491.

It is not an unprimeable number, because it can be changed into a prime (3916375591) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1045851 + ... + 1049588.

It is an arithmetic number, because the mean of its divisors is an integer number (377179200).

Almost surely, 2^3916375491 is an apocalyptic number.

3916375491 is a deficient number, since it is larger than the sum of its proper divisors (2118491709).

3916375491 is a wasteful number, since it uses less digits than its factorization.

3916375491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2095538.

The product of its digits is 612360, while the sum is 48.

The square root of 3916375491 is about 62580.9515028335. The cubic root of 3916375491 is about 1576.2609190075.

The spelling of 3916375491 in words is "three billion, nine hundred sixteen million, three hundred seventy-five thousand, four hundred ninety-one".