8613662481 has 12 divisors (see below), whose sum is σ = 12451076352. Its totient is φ = 5738232696.

The previous prime is 8613662471. The next prime is 8613662503. The reversal of 8613662481 is 1842663168.

8613662481 is a `hidden beast` number, since 8 + 6 + 13 + 6 + 624 + 8 + 1 = 666.

It is not a de Polignac number, because 8613662481 - 2¹⁸ = 8613400337 is a prime.

It is a super-2 number, since 2×8613662481² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8613662471) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 337761 + ... + 362366.

It is an arithmetic number, because the mean of its divisors is an integer number (1037589696).

Almost surely, 2^8613662481 is an apocalyptic number.

It is an amenable number.

8613662481 is a deficient number, since it is larger than the sum of its proper divisors (3837413871).

8613662481 is a wasteful number, since it uses less digits than its factorization.

8613662481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701500 (or 701497 counting only the distinct ones).

The product of its digits is 331776, while the sum is 45.

The square root of 8613662481 is about 92809.8188824868. The cubic root of 8613662481 is about 2049.8839895485.

The spelling of 8613662481 in words is "eight billion, six hundred thirteen million, six hundred sixty-two thousand, four hundred eighty-one".