1839913421147 has 2 divisors, whose sum is σ = 1839913421148. Its totient is φ = 1839913421146.

The previous prime is 1839913421119. The next prime is 1839913421153. The reversal of 1839913421147 is 7411243199381.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1839913421147 - 2¹⁰ = 1839913420123 is a prime.

It is not a weakly prime, because it can be changed into another prime (1839913421347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 919956710573 + 919956710574.

It is an arithmetic number, because the mean of its divisors is an integer number (919956710574).

Almost surely, 2^{1839913421147} is an apocalyptic number.

1839913421147 is a deficient number, since it is larger than the sum of its proper divisors (1).

1839913421147 is an equidigital number, since it uses as much as digits as its factorization.

1839913421147 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 53.

The spelling of 1839913421147 in words is "one trillion, eight hundred thirty-nine billion, nine hundred thirteen million, four hundred twenty-one thousand, one hundred forty-seven".