696066065 has 4 divisors (see below), whose sum is σ = 835279284. Its totient is φ = 556852848.

The previous prime is 696066053. The next prime is 696066067. The reversal of 696066065 is 560660696.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 498494929 + 197571136 = 22327^2 + 14056^2 .

It is a cyclic number.

It is not a de Polignac number, because 696066065 - 2⁸ = 696065809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (696066067) 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, 69606602 + ... + 69606611.

It is an arithmetic number, because the mean of its divisors is an integer number (208819821).

Almost surely, 2^696066065 is an apocalyptic number.

It is an amenable number.

696066065 is a deficient number, since it is larger than the sum of its proper divisors (139213219).

696066065 is a wasteful number, since it uses less digits than its factorization.

696066065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139213218.

The product of its (nonzero) digits is 349920, while the sum is 44.

The square root of 696066065 is about 26383.0639805160. The cubic root of 696066065 is about 886.2375634095.

The spelling of 696066065 in words is "six hundred ninety-six million, sixty-six thousand, sixty-five".