9699324091 has 2 divisors, whose sum is σ = 9699324092. Its totient is φ = 9699324090.

The previous prime is 9699324073. The next prime is 9699324119. The reversal of 9699324091 is 1904239969.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 9699324091 - 2²¹ = 9697226939 is a prime.

It is not a weakly prime, because it can be changed into another prime (9699324001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4849662045 + 4849662046.

It is an arithmetic number, because the mean of its divisors is an integer number (4849662046).

Almost surely, 2^9699324091 is an apocalyptic number.

9699324091 is a deficient number, since it is larger than the sum of its proper divisors (1).

9699324091 is an equidigital number, since it uses as much as digits as its factorization.

9699324091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 944784, while the sum is 52.

The square root of 9699324091 is about 98485.1465501270. The cubic root of 9699324091 is about 2132.6216985586.

The spelling of 9699324091 in words is "nine billion, six hundred ninety-nine million, three hundred twenty-four thousand, ninety-one".