1948422143 has 2 divisors, whose sum is σ = 1948422144. Its totient is φ = 1948422142.

The previous prime is 1948422107. The next prime is 1948422163. The reversal of 1948422143 is 3412248491.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1948422143 - 2⁶ = 1948422079 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1948422097 and 1948422106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1948422163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 974211071 + 974211072.

It is an arithmetic number, because the mean of its divisors is an integer number (974211072).

Almost surely, 2^1948422143 is an apocalyptic number.

1948422143 is a deficient number, since it is larger than the sum of its proper divisors (1).

1948422143 is an equidigital number, since it uses as much as digits as its factorization.

1948422143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 38.

The square root of 1948422143 is about 44140.9350036902. The cubic root of 1948422143 is about 1248.9959175106.

The spelling of 1948422143 in words is "one billion, nine hundred forty-eight million, four hundred twenty-two thousand, one hundred forty-three".