11854364219 has 2 divisors, whose sum is σ = 11854364220. Its totient is φ = 11854364218.

The previous prime is 11854364201. The next prime is 11854364261. The reversal of 11854364219 is 91246345811.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11854364219 - 2²⁸ = 11585928763 is a prime.

It is a super-2 number, since 2×11854364219² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 11854364219.

It is not a weakly prime, because it can be changed into another prime (11854363219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5927182109 + 5927182110.

It is an arithmetic number, because the mean of its divisors is an integer number (5927182110).

Almost surely, 2^11854364219 is an apocalyptic number.

11854364219 is a deficient number, since it is larger than the sum of its proper divisors (1).

11854364219 is an equidigital number, since it uses as much as digits as its factorization.

11854364219 is an evil number, because the sum of its binary digits is even.

The product of its digits is 207360, while the sum is 44.

The spelling of 11854364219 in words is "eleven billion, eight hundred fifty-four million, three hundred sixty-four thousand, two hundred nineteen".