1940302873 has 2 divisors, whose sum is σ = 1940302874. Its totient is φ = 1940302872.

The previous prime is 1940302853. The next prime is 1940302879. The reversal of 1940302873 is 3782030491.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1688223744 + 252079129 = 41088^2 + 15877^2 .

It is a cyclic number.

It is not a de Polignac number, because 1940302873 - 2²¹ = 1938205721 is a prime.

It is not a weakly prime, because it can be changed into another prime (1940302879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 970151436 + 970151437.

It is an arithmetic number, because the mean of its divisors is an integer number (970151437).

Almost surely, 2^1940302873 is an apocalyptic number.

It is an amenable number.

1940302873 is a deficient number, since it is larger than the sum of its proper divisors (1).

1940302873 is an equidigital number, since it uses as much as digits as its factorization.

1940302873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 1940302873 is about 44048.8691455297. The cubic root of 1940302873 is about 1247.2586051050.

The spelling of 1940302873 in words is "one billion, nine hundred forty million, three hundred two thousand, eight hundred seventy-three".