693576089 has 2 divisors, whose sum is σ = 693576090. Its totient is φ = 693576088.

The previous prime is 693576053. The next prime is 693576119. The reversal of 693576089 is 980675396.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 360696064 + 332880025 = 18992^2 + 18245^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-693576089 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 693576089.

It is not a weakly prime, because it can be changed into another prime (693570089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 346788044 + 346788045.

It is an arithmetic number, because the mean of its divisors is an integer number (346788045).

Almost surely, 2^693576089 is an apocalyptic number.

It is an amenable number.

693576089 is a deficient number, since it is larger than the sum of its proper divisors (1).

693576089 is an equidigital number, since it uses as much as digits as its factorization.

693576089 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2449440, while the sum is 53.

The square root of 693576089 is about 26335.8327948823. The cubic root of 693576089 is about 885.1795475562.

The spelling of 693576089 in words is "six hundred ninety-three million, five hundred seventy-six thousand, eighty-nine".