909993920041 has 2 divisors, whose sum is σ = 909993920042. Its totient is φ = 909993920040.

The previous prime is 909993920009. The next prime is 909993920117. The reversal of 909993920041 is 140029399909.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 462026075625 + 447967844416 = 679725^2 + 669304^2 .

It is a cyclic number.

It is not a de Polignac number, because 909993920041 - 2⁵ = 909993920009 is a prime.

It is not a weakly prime, because it can be changed into another prime (909993920141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 454996960020 + 454996960021.

It is an arithmetic number, because the mean of its divisors is an integer number (454996960021).

Almost surely, 2^909993920041 is an apocalyptic number.

It is an amenable number.

909993920041 is a deficient number, since it is larger than the sum of its proper divisors (1).

909993920041 is an equidigital number, since it uses as much as digits as its factorization.

909993920041 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1417176, while the sum is 55.

The spelling of 909993920041 in words is "nine hundred nine billion, nine hundred ninety-three million, nine hundred twenty thousand, forty-one".