12047404493 has 2 divisors, whose sum is σ = 12047404494. Its totient is φ = 12047404492.

The previous prime is 12047404451. The next prime is 12047404511. The reversal of 12047404493 is 39440474021.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7261255369 + 4786149124 = 85213^2 + 69182^2 .

It is a cyclic number.

It is not a de Polignac number, because 12047404493 - 2⁶ = 12047404429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12047401493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6023702246 + 6023702247.

It is an arithmetic number, because the mean of its divisors is an integer number (6023702247).

Almost surely, 2^12047404493 is an apocalyptic number.

It is an amenable number.

12047404493 is a deficient number, since it is larger than the sum of its proper divisors (1).

12047404493 is an equidigital number, since it uses as much as digits as its factorization.

12047404493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96768, while the sum is 38.

The spelling of 12047404493 in words is "twelve billion, forty-seven million, four hundred four thousand, four hundred ninety-three".