1838319423859 has 2 divisors, whose sum is σ = 1838319423860. Its totient is φ = 1838319423858.

The previous prime is 1838319423827. The next prime is 1838319423881. The reversal of 1838319423859 is 9583249138381.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1838319423859 - 2⁵ = 1838319423827 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1838319423859.

It is not a weakly prime, because it can be changed into another prime (1838019423859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 919159711929 + 919159711930.

It is an arithmetic number, because the mean of its divisors is an integer number (919159711930).

Almost surely, 2^{1838319423859} is an apocalyptic number.

1838319423859 is a deficient number, since it is larger than the sum of its proper divisors (1).

1838319423859 is an equidigital number, since it uses as much as digits as its factorization.

1838319423859 is an evil number, because the sum of its binary digits is even.

The product of its digits is 44789760, while the sum is 64.

The spelling of 1838319423859 in words is "one trillion, eight hundred thirty-eight billion, three hundred nineteen million, four hundred twenty-three thousand, eight hundred fifty-nine".