9346646521 has 2 divisors, whose sum is σ = 9346646522. Its totient is φ = 9346646520.

The previous prime is 9346646501. The next prime is 9346646531. The reversal of 9346646521 is 1256466439.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7054152121 + 2292494400 = 83989^2 + 47880^2 .

It is a cyclic number.

It is not a de Polignac number, because 9346646521 - 2²⁹ = 8809775609 is a prime.

It is not a weakly prime, because it can be changed into another prime (9346646501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4673323260 + 4673323261.

It is an arithmetic number, because the mean of its divisors is an integer number (4673323261).

Almost surely, 2^9346646521 is an apocalyptic number.

It is an amenable number.

9346646521 is a deficient number, since it is larger than the sum of its proper divisors (1).

9346646521 is an equidigital number, since it uses as much as digits as its factorization.

9346646521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 933120, while the sum is 46.

The square root of 9346646521 is about 96678.0560468610. The cubic root of 9346646521 is about 2106.4538055232.

The spelling of 9346646521 in words is "nine billion, three hundred forty-six million, six hundred forty-six thousand, five hundred twenty-one".