11646373799 has 2 divisors, whose sum is σ = 11646373800. Its totient is φ = 11646373798.

The previous prime is 11646373769. The next prime is 11646373807. The reversal of 11646373799 is 99737364611.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11646373799 is a prime.

It is a super-3 number, since 3×11646373799³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11646373729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5823186899 + 5823186900.

It is an arithmetic number, because the mean of its divisors is an integer number (5823186900).

Almost surely, 2^11646373799 is an apocalyptic number.

11646373799 is a deficient number, since it is larger than the sum of its proper divisors (1).

11646373799 is an equidigital number, since it uses as much as digits as its factorization.

11646373799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5143824, while the sum is 56.

The spelling of 11646373799 in words is "eleven billion, six hundred forty-six million, three hundred seventy-three thousand, seven hundred ninety-nine".