1903942441 has 2 divisors, whose sum is σ = 1903942442. Its totient is φ = 1903942440.

The previous prime is 1903942409. The next prime is 1903942463. The reversal of 1903942441 is 1442493091.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 996728041 + 907214400 = 31571^2 + 30120^2 .

It is a cyclic number.

It is not a de Polignac number, because 1903942441 - 2⁵ = 1903942409 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1903942441.

It is not a weakly prime, because it can be changed into another prime (1903946441) 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, 951971220 + 951971221.

It is an arithmetic number, because the mean of its divisors is an integer number (951971221).

Almost surely, 2^1903942441 is an apocalyptic number.

It is an amenable number.

1903942441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1903942441 is an equidigital number, since it uses as much as digits as its factorization.

1903942441 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31104, while the sum is 37.

The square root of 1903942441 is about 43634.1889004482. The cubic root of 1903942441 is about 1239.4183972561.

The spelling of 1903942441 in words is "one billion, nine hundred three million, nine hundred forty-two thousand, four hundred forty-one".