11736938399 has 2 divisors, whose sum is σ = 11736938400. Its totient is φ = 11736938398.

The previous prime is 11736938393. The next prime is 11736938429. The reversal of 11736938399 is 99383963711.

It is a weak prime.

It is an emirp because it is prime and its reverse (99383963711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11736938399 - 2⁴ = 11736938383 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11736938393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5868469199 + 5868469200.

It is an arithmetic number, because the mean of its divisors is an integer number (5868469200).

Almost surely, 2^11736938399 is an apocalyptic number.

11736938399 is a deficient number, since it is larger than the sum of its proper divisors (1).

11736938399 is an equidigital number, since it uses as much as digits as its factorization.

11736938399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6613488, while the sum is 59.

The spelling of 11736938399 in words is "eleven billion, seven hundred thirty-six million, nine hundred thirty-eight thousand, three hundred ninety-nine".