1948791743 has 2 divisors, whose sum is σ = 1948791744. Its totient is φ = 1948791742.

The previous prime is 1948791737. The next prime is 1948791797. The reversal of 1948791743 is 3471978491.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1948791743 - 2⁴ = 1948791727 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1948791703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 974395871 + 974395872.

It is an arithmetic number, because the mean of its divisors is an integer number (974395872).

Almost surely, 2^1948791743 is an apocalyptic number.

1948791743 is a deficient number, since it is larger than the sum of its proper divisors (1).

1948791743 is an equidigital number, since it uses as much as digits as its factorization.

1948791743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1524096, while the sum is 53.

The square root of 1948791743 is about 44145.1213952346. The cubic root of 1948791743 is about 1249.0748873422.

The spelling of 1948791743 in words is "one billion, nine hundred forty-eight million, seven hundred ninety-one thousand, seven hundred forty-three".