5418487665 has 12 divisors (see below), whose sum is σ = 9392045364. Its totient is φ = 2889860064.

The previous prime is 5418487573. The next prime is 5418487667. The reversal of 5418487665 is 5667848145.

It can be written as a sum of positive squares in 2 ways, for example, as 923187456 + 4495300209 = 30384^2 + 67047^2 .

It is not a de Polignac number, because 5418487665 - 2⁹ = 5418487153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5418487667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60205374 + ... + 60205463.

It is an arithmetic number, because the mean of its divisors is an integer number (782670447).

Almost surely, 2^5418487665 is an apocalyptic number.

It is an amenable number.

5418487665 is a deficient number, since it is larger than the sum of its proper divisors (3973557699).

5418487665 is a wasteful number, since it uses less digits than its factorization.

5418487665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120410848 (or 120410845 counting only the distinct ones).

The product of its digits is 6451200, while the sum is 54.

The square root of 5418487665 is about 73610.3774273709. The cubic root of 5418487665 is about 1756.4105201660.

The spelling of 5418487665 in words is "five billion, four hundred eighteen million, four hundred eighty-seven thousand, six hundred sixty-five".