696530909 has 8 divisors (see below), whose sum is σ = 721805568. Its totient is φ = 671431680.

The previous prime is 696530869. The next prime is 696530917. The reversal of 696530909 is 909035696.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 696530909 - 2²⁴ = 679753693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (696530309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35747 + ... + 51680.

It is an arithmetic number, because the mean of its divisors is an integer number (90225696).

Almost surely, 2^696530909 is an apocalyptic number.

It is an amenable number.

696530909 is a deficient number, since it is larger than the sum of its proper divisors (25274659).

696530909 is a wasteful number, since it uses less digits than its factorization.

696530909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87715.

The product of its (nonzero) digits is 393660, while the sum is 47.

The square root of 696530909 is about 26391.8720253035. The cubic root of 696530909 is about 886.4348006948.

The spelling of 696530909 in words is "six hundred ninety-six million, five hundred thirty thousand, nine hundred nine".