1948422097 has 2 divisors, whose sum is σ = 1948422098. Its totient is φ = 1948422096.

The previous prime is 1948422079. The next prime is 1948422107. The reversal of 1948422097 is 7902248491.

Together with previous prime (1948422079) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1319215041 + 629207056 = 36321^2 + 25084^2 .

It is an emirp because it is prime and its reverse (7902248491) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1948422097 - 2¹¹ = 1948420049 is a prime.

It is not a weakly prime, because it can be changed into another prime (1948422397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 974211048 + 974211049.

It is an arithmetic number, because the mean of its divisors is an integer number (974211049).

Almost surely, 2^1948422097 is an apocalyptic number.

It is an amenable number.

1948422097 is a deficient number, since it is larger than the sum of its proper divisors (1).

1948422097 is an equidigital number, since it uses as much as digits as its factorization.

1948422097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 290304, while the sum is 46.

The square root of 1948422097 is about 44140.9344826319. The cubic root of 1948422097 is about 1248.9959076815.

The spelling of 1948422097 in words is "one billion, nine hundred forty-eight million, four hundred twenty-two thousand, ninety-seven".