18288869419 has 2 divisors, whose sum is σ = 18288869420. Its totient is φ = 18288869418.

The previous prime is 18288869381. The next prime is 18288869429. The reversal of 18288869419 is 91496888281.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18288869419 - 2⁹ = 18288868907 is a prime.

It is a super-2 number, since 2×18288869419² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (18288869429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9144434709 + 9144434710.

It is an arithmetic number, because the mean of its divisors is an integer number (9144434710).

Almost surely, 2^18288869419 is an apocalyptic number.

18288869419 is a deficient number, since it is larger than the sum of its proper divisors (1).

18288869419 is an equidigital number, since it uses as much as digits as its factorization.

18288869419 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15925248, while the sum is 64.

The spelling of 18288869419 in words is "eighteen billion, two hundred eighty-eight million, eight hundred sixty-nine thousand, four hundred nineteen".