4117647481 has 4 divisors (see below), whose sum is σ = 4118462964. Its totient is φ = 4116832000.

The previous prime is 4117647461. The next prime is 4117647553. The reversal of 4117647481 is 1847467114.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 454371856 + 3663275625 = 21316^2 + 60525^2 .

It is a cyclic number.

It is not a de Polignac number, because 4117647481 - 2¹³ = 4117639289 is a prime.

It is a super-2 number, since 2×4117647481² = 33910041555571290722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4117647431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 400120 + ... + 410281.

It is an arithmetic number, because the mean of its divisors is an integer number (1029615741).

Almost surely, 2^4117647481 is an apocalyptic number.

It is an amenable number.

4117647481 is a deficient number, since it is larger than the sum of its proper divisors (815483).

4117647481 is an equidigital number, since it uses as much as digits as its factorization.

4117647481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815482.

The product of its digits is 150528, while the sum is 43.

The square root of 4117647481 is about 64168.8980815473. The cubic root of 4117647481 is about 1602.8137313437.

The spelling of 4117647481 in words is "four billion, one hundred seventeen million, six hundred forty-seven thousand, four hundred eighty-one".