9735794521 has 2 divisors, whose sum is σ = 9735794522. Its totient is φ = 9735794520.

The previous prime is 9735794417. The next prime is 9735794567. The reversal of 9735794521 is 1254975379.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9729060496 + 6734025 = 98636^2 + 2595^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9735794521 is a prime.

It is not a weakly prime, because it can be changed into another prime (9735798521) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4867897260 + 4867897261.

It is an arithmetic number, because the mean of its divisors is an integer number (4867897261).

Almost surely, 2^9735794521 is an apocalyptic number.

It is an amenable number.

9735794521 is a deficient number, since it is larger than the sum of its proper divisors (1).

9735794521 is an equidigital number, since it uses as much as digits as its factorization.

9735794521 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2381400, while the sum is 52.

The square root of 9735794521 is about 98670.1298316770. The cubic root of 9735794521 is about 2135.2913124025.

The spelling of 9735794521 in words is "nine billion, seven hundred thirty-five million, seven hundred ninety-four thousand, five hundred twenty-one".