920911795009 has 2 divisors, whose sum is σ = 920911795010. Its totient is φ = 920911795008.

The previous prime is 920911794997. The next prime is 920911795019. The reversal of 920911795009 is 900597119029.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 810756176400 + 110155618609 = 900420^2 + 331897^2 .

It is an emirp because it is prime and its reverse (900597119029) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-920911795009 is a prime.

It is not a weakly prime, because it can be changed into another prime (920911795019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460455897504 + 460455897505.

It is an arithmetic number, because the mean of its divisors is an integer number (460455897505).

Almost surely, 2^920911795009 is an apocalyptic number.

It is an amenable number.

920911795009 is a deficient number, since it is larger than the sum of its proper divisors (1).

920911795009 is an equidigital number, since it uses as much as digits as its factorization.

920911795009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 459270, while the sum is 52.

The spelling of 920911795009 in words is "nine hundred twenty billion, nine hundred eleven million, seven hundred ninety-five thousand, nine".