1850940373 has 2 divisors, whose sum is σ = 1850940374. Its totient is φ = 1850940372.

The previous prime is 1850940349. The next prime is 1850940383. The reversal of 1850940373 is 3730490581.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1494750244 + 356190129 = 38662^2 + 18873^2 .

It is a cyclic number.

It is not a de Polignac number, because 1850940373 - 2⁹ = 1850939861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1850940313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 925470186 + 925470187.

It is an arithmetic number, because the mean of its divisors is an integer number (925470187).

Almost surely, 2^1850940373 is an apocalyptic number.

It is an amenable number.

1850940373 is a deficient number, since it is larger than the sum of its proper divisors (1).

1850940373 is an equidigital number, since it uses as much as digits as its factorization.

1850940373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 1850940373 is about 43022.5565604835. The cubic root of 1850940373 is about 1227.8089914745.

The spelling of 1850940373 in words is "one billion, eight hundred fifty million, nine hundred forty thousand, three hundred seventy-three".