8513054618 has 4 divisors (see below), whose sum is σ = 12769581930. Its totient is φ = 4256527308.

The previous prime is 8513054617. The next prime is 8513054621. The reversal of 8513054618 is 8164503158.

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., 5636555929 + 2876498689 = 75077^2 + 53633^2 .

It is a super-2 number, since 2×8513054618² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8513054617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2128263653 + ... + 2128263656.

Almost surely, 2^8513054618 is an apocalyptic number.

8513054618 is a deficient number, since it is larger than the sum of its proper divisors (4256527312).

8513054618 is a wasteful number, since it uses less digits than its factorization.

8513054618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4256527311.

The product of its (nonzero) digits is 115200, while the sum is 41.

The square root of 8513054618 is about 92266.2160164814. The cubic root of 8513054618 is about 2041.8718096384.

The spelling of 8513054618 in words is "eight billion, five hundred thirteen million, fifty-four thousand, six hundred eighteen".