4091315481 has 16 divisors (see below), whose sum is σ = 6612227520. Its totient is φ = 2479584960.

The previous prime is 4091315477. The next prime is 4091315507. The reversal of 4091315481 is 1845131904.

4091315481 is a `hidden beast` number, since 40 + 9 + 131 + 5 + 481 = 666.

It is not a de Polignac number, because 4091315481 - 2² = 4091315477 is a prime.

It is a super-2 number, since 2×4091315481² = 33477724730140522722, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4091315401) 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 15 ways as a sum of consecutive naturals, for example, 6887440 + ... + 6888033.

It is an arithmetic number, because the mean of its divisors is an integer number (413264220).

Almost surely, 2^4091315481 is an apocalyptic number.

It is an amenable number.

4091315481 is a deficient number, since it is larger than the sum of its proper divisors (2520912039).

4091315481 is a wasteful number, since it uses less digits than its factorization.

4091315481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13775493 (or 13775487 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 4091315481 is about 63963.3917252674. The cubic root of 4091315481 is about 1599.3898039061.

The spelling of 4091315481 in words is "four billion, ninety-one million, three hundred fifteen thousand, four hundred eighty-one".