11774664619 has 2 divisors, whose sum is σ = 11774664620. Its totient is φ = 11774664618.

The previous prime is 11774664569. The next prime is 11774664677. The reversal of 11774664619 is 91646647711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11774664619 - 2⁹ = 11774664107 is a prime.

It is a super-2 number, since 2×11774664619² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11774664719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5887332309 + 5887332310.

It is an arithmetic number, because the mean of its divisors is an integer number (5887332310).

Almost surely, 2^11774664619 is an apocalyptic number.

11774664619 is a deficient number, since it is larger than the sum of its proper divisors (1).

11774664619 is an equidigital number, since it uses as much as digits as its factorization.

11774664619 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1524096, while the sum is 52.

The spelling of 11774664619 in words is "eleven billion, seven hundred seventy-four million, six hundred sixty-four thousand, six hundred nineteen".