1869975241 has 2 divisors, whose sum is σ = 1869975242. Its totient is φ = 1869975240.

The previous prime is 1869975221. The next prime is 1869975259. The reversal of 1869975241 is 1425799681.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1712221641 + 157753600 = 41379^2 + 12560^2 .

It is a cyclic number.

It is not a de Polignac number, because 1869975241 - 2²⁹ = 1333104329 is a prime.

It is not a weakly prime, because it can be changed into another prime (1869975221) 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, 934987620 + 934987621.

It is an arithmetic number, because the mean of its divisors is an integer number (934987621).

Almost surely, 2^1869975241 is an apocalyptic number.

It is an amenable number.

1869975241 is a deficient number, since it is larger than the sum of its proper divisors (1).

1869975241 is an equidigital number, since it uses as much as digits as its factorization.

1869975241 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 52.

The square root of 1869975241 is about 43243.2103456716. The cubic root of 1869975241 is about 1232.0035298238.

The spelling of 1869975241 in words is "one billion, eight hundred sixty-nine million, nine hundred seventy-five thousand, two hundred forty-one".