9700937221 has 2 divisors, whose sum is σ = 9700937222. Its totient is φ = 9700937220.

The previous prime is 9700937219. The next prime is 9700937237. The reversal of 9700937221 is 1227390079.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9625768321 + 75168900 = 98111^2 + 8670^2 .

It is a cyclic number.

It is not a de Polignac number, because 9700937221 - 2¹ = 9700937219 is a prime.

It is a super-3 number, since 3×9700937221³ (a number of 31 digits) contains 333 as substring.

Together with 9700937219, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9700937251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4850468610 + 4850468611.

It is an arithmetic number, because the mean of its divisors is an integer number (4850468611).

Almost surely, 2^9700937221 is an apocalyptic number.

It is an amenable number.

9700937221 is a deficient number, since it is larger than the sum of its proper divisors (1).

9700937221 is an equidigital number, since it uses as much as digits as its factorization.

9700937221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47628, while the sum is 40.

The square root of 9700937221 is about 98493.3359217770. The cubic root of 9700937221 is about 2132.7399200384.

The spelling of 9700937221 in words is "nine billion, seven hundred million, nine hundred thirty-seven thousand, two hundred twenty-one".