3974499915 has 8 divisors (see below), whose sum is σ = 6359199888. Its totient is φ = 2119733280.

The previous prime is 3974499883. The next prime is 3974499917. The reversal of 3974499915 is 5199944793.

It is a happy number.

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

It is not a de Polignac number, because 3974499915 - 2⁵ = 3974499883 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3974499917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132483316 + ... + 132483345.

It is an arithmetic number, because the mean of its divisors is an integer number (794899986).

Almost surely, 2^3974499915 is an apocalyptic number.

3974499915 is a deficient number, since it is larger than the sum of its proper divisors (2384699973).

3974499915 is a wasteful number, since it uses less digits than its factorization.

3974499915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 264966669.

The product of its digits is 11022480, while the sum is 60.

The square root of 3974499915 is about 63043.6350078261. The cubic root of 3974499915 is about 1584.0206198373.

The spelling of 3974499915 in words is "three billion, nine hundred seventy-four million, four hundred ninety-nine thousand, nine hundred fifteen".