12397289093 has 4 divisors (see below), whose sum is σ = 14168330400. Its totient is φ = 10626247788.

The previous prime is 12397289077. The next prime is 12397289101. The reversal of 12397289093 is 39098279321.

It is a happy number.

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 a cyclic number.

It is not a de Polignac number, because 12397289093 - 2⁴ = 12397289077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12397289063) 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, 885520643 + ... + 885520656.

It is an arithmetic number, because the mean of its divisors is an integer number (3542082600).

Almost surely, 2^12397289093 is an apocalyptic number.

It is an amenable number.

12397289093 is a deficient number, since it is larger than the sum of its proper divisors (1771041307).

12397289093 is an equidigital number, since it uses as much as digits as its factorization.

12397289093 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1771041306.

The product of its (nonzero) digits is 1469664, while the sum is 53.

The spelling of 12397289093 in words is "twelve billion, three hundred ninety-seven million, two hundred eighty-nine thousand, ninety-three".