12930209769 has 4 divisors (see below), whose sum is σ = 17240279696. Its totient is φ = 8620139844.

The previous prime is 12930209767. The next prime is 12930209777. The reversal of 12930209769 is 96790203921.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 12930209769 - 2¹ = 12930209767 is a prime.

It is a super-2 number, since 2×12930209769² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12930209767) 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, 2155034959 + ... + 2155034964.

It is an arithmetic number, because the mean of its divisors is an integer number (4310069924).

Almost surely, 2^12930209769 is an apocalyptic number.

It is an amenable number.

12930209769 is a deficient number, since it is larger than the sum of its proper divisors (4310069927).

12930209769 is an equidigital number, since it uses as much as digits as its factorization.

12930209769 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4310069926.

The product of its (nonzero) digits is 367416, while the sum is 48.

The spelling of 12930209769 in words is "twelve billion, nine hundred thirty million, two hundred nine thousand, seven hundred sixty-nine".