993420097 has 2 divisors, whose sum is σ = 993420098. Its totient is φ = 993420096.

The previous prime is 993419957. The next prime is 993420121. The reversal of 993420097 is 790024399.

993420097 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 941016976 + 52403121 = 30676^2 + 7239^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-993420097 is a prime.

It is not a weakly prime, because it can be changed into another prime (993421097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 496710048 + 496710049.

It is an arithmetic number, because the mean of its divisors is an integer number (496710049).

Almost surely, 2^993420097 is an apocalyptic number.

It is an amenable number.

993420097 is a deficient number, since it is larger than the sum of its proper divisors (1).

993420097 is an equidigital number, since it uses as much as digits as its factorization.

993420097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 122472, while the sum is 43.

The square root of 993420097 is about 31518.5674960015. The cubic root of 993420097 is about 997.8018707682.

The spelling of 993420097 in words is "nine hundred ninety-three million, four hundred twenty thousand, ninety-seven".