11874491399 has 2 divisors, whose sum is σ = 11874491400. Its totient is φ = 11874491398.

The previous prime is 11874491357. The next prime is 11874491407. The reversal of 11874491399 is 99319447811.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11874491399 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11874491329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5937245699 + 5937245700.

It is an arithmetic number, because the mean of its divisors is an integer number (5937245700).

Almost surely, 2^11874491399 is an apocalyptic number.

11874491399 is a deficient number, since it is larger than the sum of its proper divisors (1).

11874491399 is an equidigital number, since it uses as much as digits as its factorization.

11874491399 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1959552, while the sum is 56.

The spelling of 11874491399 in words is "eleven billion, eight hundred seventy-four million, four hundred ninety-one thousand, three hundred ninety-nine".