1939052473 has 2 divisors, whose sum is σ = 1939052474. Its totient is φ = 1939052472.

The previous prime is 1939052471. The next prime is 1939052497. The reversal of 1939052473 is 3742509391.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1895122089 + 43930384 = 43533^2 + 6628^2 .

It is a cyclic number.

It is not a de Polignac number, because 1939052473 - 2¹ = 1939052471 is a prime.

Together with 1939052471, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1939052471) 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, 969526236 + 969526237.

It is an arithmetic number, because the mean of its divisors is an integer number (969526237).

Almost surely, 2^1939052473 is an apocalyptic number.

It is an amenable number.

1939052473 is a deficient number, since it is larger than the sum of its proper divisors (1).

1939052473 is an equidigital number, since it uses as much as digits as its factorization.

1939052473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 43.

The square root of 1939052473 is about 44034.6735312072. The cubic root of 1939052473 is about 1246.9906216343.

The spelling of 1939052473 in words is "one billion, nine hundred thirty-nine million, fifty-two thousand, four hundred seventy-three".