920911749941 has 2 divisors, whose sum is σ = 920911749942. Its totient is φ = 920911749940.

The previous prime is 920911749929. The next prime is 920911750027. The reversal of 920911749941 is 149947119029.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 799566814225 + 121344935716 = 894185^2 + 348346^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-920911749941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (920911749041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460455874970 + 460455874971.

It is an arithmetic number, because the mean of its divisors is an integer number (460455874971).

Almost surely, 2^920911749941 is an apocalyptic number.

It is an amenable number.

920911749941 is a deficient number, since it is larger than the sum of its proper divisors (1).

920911749941 is an equidigital number, since it uses as much as digits as its factorization.

920911749941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1469664, while the sum is 56.

The spelling of 920911749941 in words is "nine hundred twenty billion, nine hundred eleven million, seven hundred forty-nine thousand, nine hundred forty-one".