30869693 has 2 divisors, whose sum is σ = 30869694. Its totient is φ = 30869692.

The previous prime is 30869689. The next prime is 30869701. The reversal of 30869693 is 39696803.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 30063289 + 806404 = 5483^2 + 898^2 .

It is a cyclic number.

It is not a de Polignac number, because 30869693 - 2² = 30869689 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30869653) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15434846 + 15434847.

It is an arithmetic number, because the mean of its divisors is an integer number (15434847).

Almost surely, 2^30869693 is an apocalyptic number.

It is an amenable number.

30869693 is a deficient number, since it is larger than the sum of its proper divisors (1).

30869693 is an equidigital number, since it uses as much as digits as its factorization.

30869693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 30869693 is about 5556.0501257638. The cubic root of 30869693 is about 313.6972923529.

The spelling of 30869693 in words is "thirty million, eight hundred sixty-nine thousand, six hundred ninety-three".