986690522581331 has 8 divisors (see below), whose sum is σ = 987139068864384. Its totient is φ = 986242025301120.

The previous prime is 986690522581327. The next prime is 986690522581343. The reversal of 986690522581331 is 133185225096689.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 986690522581331 - 2² = 986690522581327 is a prime.

It is a super-2 number, since 2×986690522581331² (a number of 31 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (986690522580331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28059326 + ... + 52542428.

It is an arithmetic number, because the mean of its divisors is an integer number (123392383608048).

Almost surely, 2^{986690522581331} is an apocalyptic number.

986690522581331 is a deficient number, since it is larger than the sum of its proper divisors (448546283053).

986690522581331 is a wasteful number, since it uses less digits than its factorization.

986690522581331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24501421.

The product of its (nonzero) digits is 167961600, while the sum is 68.

The spelling of 986690522581331 in words is "nine hundred eighty-six trillion, six hundred ninety billion, five hundred twenty-two million, five hundred eighty-one thousand, three hundred thirty-one".