11627919893 has 2 divisors, whose sum is σ = 11627919894. Its totient is φ = 11627919892.

The previous prime is 11627919889. The next prime is 11627919917. The reversal of 11627919893 is 39891972611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8700785284 + 2927134609 = 93278^2 + 54103^2 .

It is a cyclic number.

It is not a de Polignac number, because 11627919893 - 2² = 11627919889 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11627919493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5813959946 + 5813959947.

It is an arithmetic number, because the mean of its divisors is an integer number (5813959947).

Almost surely, 2^11627919893 is an apocalyptic number.

It is an amenable number.

11627919893 is a deficient number, since it is larger than the sum of its proper divisors (1).

11627919893 is an equidigital number, since it uses as much as digits as its factorization.

11627919893 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 56.

The spelling of 11627919893 in words is "eleven billion, six hundred twenty-seven million, nine hundred nineteen thousand, eight hundred ninety-three".