8641380458 has 8 divisors (see below), whose sum is σ = 13049064900. Its totient is φ = 4291692160.

The previous prime is 8641380413. The next prime is 8641380487. The reversal of 8641380458 is 8540831468.

It can be written as a sum of positive squares in 2 ways, for example, as 8629109449 + 12271009 = 92893^2 + 3503^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14498663 + ... + 14499258.

Almost surely, 2^8641380458 is an apocalyptic number.

8641380458 is a deficient number, since it is larger than the sum of its proper divisors (4407684442).

8641380458 is a wasteful number, since it uses less digits than its factorization.

8641380458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28998072.

The product of its (nonzero) digits is 737280, while the sum is 47.

The square root of 8641380458 is about 92959.0256941197. The cubic root of 8641380458 is about 2052.0804149133.

The spelling of 8641380458 in words is "eight billion, six hundred forty-one million, three hundred eighty thousand, four hundred fifty-eight".