1945000207441 has 2 divisors, whose sum is σ = 1945000207442. Its totient is φ = 1945000207440.

The previous prime is 1945000207433. The next prime is 1945000207463. The reversal of 1945000207441 is 1447020005491.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1490010835600 + 454989371841 = 1220660^2 + 674529^2 .

It is an emirp because it is prime and its reverse (1447020005491) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1945000207441 - 2³ = 1945000207433 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1945000207441.

It is not a weakly prime, because it can be changed into another prime (1945000217441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 972500103720 + 972500103721.

It is an arithmetic number, because the mean of its divisors is an integer number (972500103721).

Almost surely, 2^{1945000207441} is an apocalyptic number.

It is an amenable number.

1945000207441 is a deficient number, since it is larger than the sum of its proper divisors (1).

1945000207441 is an equidigital number, since it uses as much as digits as its factorization.

1945000207441 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40320, while the sum is 37.

The spelling of 1945000207441 in words is "one trillion, nine hundred forty-five billion, two hundred seven thousand, four hundred forty-one".