8681090524 has 6 divisors (see below), whose sum is σ = 15191908424. Its totient is φ = 4340545260.

The previous prime is 8681090513. The next prime is 8681090543. The reversal of 8681090524 is 4250901868.

It is a happy number.

It is a super-2 number, since 2×8681090524² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 1085136312 + ... + 1085136319.

Almost surely, 2^8681090524 is an apocalyptic number.

It is an amenable number.

8681090524 is a deficient number, since it is larger than the sum of its proper divisors (6510817900).

8681090524 is a wasteful number, since it uses less digits than its factorization.

8681090524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170272635 (or 2170272633 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 43.

The square root of 8681090524 is about 93172.3699601980. The cubic root of 8681090524 is about 2055.2189468018.

The spelling of 8681090524 in words is "eight billion, six hundred eighty-one million, ninety thousand, five hundred twenty-four".