8352910921 has 2 divisors, whose sum is σ = 8352910922. Its totient is φ = 8352910920.

The previous prime is 8352910889. The next prime is 8352910939. The reversal of 8352910921 is 1290192538.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4178329600 + 4174581321 = 64640^2 + 64611^2 .

It is a cyclic number.

It is not a de Polignac number, because 8352910921 - 2⁵ = 8352910889 is a prime.

It is a super-2 number, since 2×8352910921² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8352910981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4176455460 + 4176455461.

It is an arithmetic number, because the mean of its divisors is an integer number (4176455461).

Almost surely, 2^8352910921 is an apocalyptic number.

It is an amenable number.

8352910921 is a deficient number, since it is larger than the sum of its proper divisors (1).

8352910921 is an equidigital number, since it uses as much as digits as its factorization.

8352910921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 38880, while the sum is 40.

The square root of 8352910921 is about 91394.2608756152. The cubic root of 8352910921 is about 2028.9870880760.

The spelling of 8352910921 in words is "eight billion, three hundred fifty-two million, nine hundred ten thousand, nine hundred twenty-one".