8461089418 has 4 divisors (see below), whose sum is σ = 12691634130. Its totient is φ = 4230544708.

The previous prime is 8461089407. The next prime is 8461089457. The reversal of 8461089418 is 8149801648.

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

It can be written as a sum of positive squares in only one way, i.e., 7922246049 + 538843369 = 89007^2 + 23213^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2115272353 + ... + 2115272356.

Almost surely, 2^8461089418 is an apocalyptic number.

8461089418 is a deficient number, since it is larger than the sum of its proper divisors (4230544712).

8461089418 is a wasteful number, since it uses less digits than its factorization.

8461089418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4230544711.

The product of its (nonzero) digits is 442368, while the sum is 49.

The square root of 8461089418 is about 91984.1802594337. The cubic root of 8461089418 is about 2037.7086776771.

The spelling of 8461089418 in words is "eight billion, four hundred sixty-one million, eighty-nine thousand, four hundred eighteen".