9681622357 has 8 divisors (see below), whose sum is σ = 10575657792. Its totient is φ = 8789901600.

The previous prime is 9681622351. The next prime is 9681622361. The reversal of 9681622357 is 7532261869.

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 9681622357 - 2⁷ = 9681622229 is a prime.

It is a super-2 number, since 2×9681622357² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9681622357.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9681622351) 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, 569913 + ... + 586654.

It is an arithmetic number, because the mean of its divisors is an integer number (1321957224).

Almost surely, 2^9681622357 is an apocalyptic number.

It is an amenable number.

9681622357 is a deficient number, since it is larger than the sum of its proper divisors (894035435).

9681622357 is a wasteful number, since it uses less digits than its factorization.

9681622357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1157339.

The product of its digits is 1088640, while the sum is 49.

The square root of 9681622357 is about 98395.2354385109. The cubic root of 9681622357 is about 2131.3235293649.

The spelling of 9681622357 in words is "nine billion, six hundred eighty-one million, six hundred twenty-two thousand, three hundred fifty-seven".