30669703397 has 4 divisors (see below), whose sum is σ = 31248377100. Its totient is φ = 30091029696.

The previous prime is 30669703367. The next prime is 30669703409. The reversal of 30669703397 is 79330796603.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 79330796603 = 197 ⋅402694399.

It can be written as a sum of positive squares in 2 ways, for example, as 26859604321 + 3810099076 = 163889^2 + 61726^2 .

It is a cyclic number.

It is not a de Polignac number, because 30669703397 - 2³⁰ = 29595961573 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (53), and also a Moran number because the ratio is a prime number: 578673649 = 30669703397 / (3 + 0 + 6 + 6 + 9 + 7 + 0 + 3 + 3 + 9 + 7).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30669703367) 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, 289336772 + ... + 289336877.

It is an arithmetic number, because the mean of its divisors is an integer number (7812094275).

Almost surely, 2^30669703397 is an apocalyptic number.

It is an amenable number.

30669703397 is a deficient number, since it is larger than the sum of its proper divisors (578673703).

30669703397 is an equidigital number, since it uses as much as digits as its factorization.

30669703397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578673702.

The product of its (nonzero) digits is 3857868, while the sum is 53.

The spelling of 30669703397 in words is "thirty billion, six hundred sixty-nine million, seven hundred three thousand, three hundred ninety-seven".