11644484387 has 2 divisors, whose sum is σ = 11644484388. Its totient is φ = 11644484386.

The previous prime is 11644484377. The next prime is 11644484447. The reversal of 11644484387 is 78348444611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11644484387 - 2²² = 11640290083 is a prime.

It is not a weakly prime, because it can be changed into another prime (11644484377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5822242193 + 5822242194.

It is an arithmetic number, because the mean of its divisors is an integer number (5822242194).

Almost surely, 2^11644484387 is an apocalyptic number.

11644484387 is a deficient number, since it is larger than the sum of its proper divisors (1).

11644484387 is an equidigital number, since it uses as much as digits as its factorization.

11644484387 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2064384, while the sum is 50.

The spelling of 11644484387 in words is "eleven billion, six hundred forty-four million, four hundred eighty-four thousand, three hundred eighty-seven".