693090071 has 2 divisors, whose sum is σ = 693090072. Its totient is φ = 693090070.

The previous prime is 693090061. The next prime is 693090103. The reversal of 693090071 is 170090396.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 693090071 - 2⁶ = 693090007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (693090061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346545035 + 346545036.

It is an arithmetic number, because the mean of its divisors is an integer number (346545036).

Almost surely, 2^693090071 is an apocalyptic number.

693090071 is a deficient number, since it is larger than the sum of its proper divisors (1).

693090071 is an equidigital number, since it uses as much as digits as its factorization.

693090071 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10206, while the sum is 35.

The square root of 693090071 is about 26326.6038637725. The cubic root of 693090071 is about 884.9727383689.

The spelling of 693090071 in words is "six hundred ninety-three million, ninety thousand, seventy-one".