693092089 has 4 divisors (see below), whose sum is σ = 729570640. Its totient is φ = 656613540.

The previous prime is 693091981. The next prime is 693092093. The reversal of 693092089 is 980290396.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 693092089 - 2⁷ = 693091961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (693095089) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18239247 + ... + 18239284.

It is an arithmetic number, because the mean of its divisors is an integer number (182392660).

Almost surely, 2^693092089 is an apocalyptic number.

It is an amenable number.

693092089 is a deficient number, since it is larger than the sum of its proper divisors (36478551).

693092089 is a wasteful number, since it uses less digits than its factorization.

693092089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36478550.

The product of its (nonzero) digits is 209952, while the sum is 46.

The square root of 693092089 is about 26326.6421899945. The cubic root of 693092089 is about 884.9735972631.

The spelling of 693092089 in words is "six hundred ninety-three million, ninety-two thousand, eighty-nine".