921084818741 has 2 divisors, whose sum is σ = 921084818742. Its totient is φ = 921084818740.

The previous prime is 921084818663. The next prime is 921084818749. The reversal of 921084818741 is 147818480129.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 633918516100 + 287166302641 = 796190^2 + 535879^2 .

It is a cyclic number.

It is not a de Polignac number, because 921084818741 - 2²⁶ = 921017709877 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (921084818749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 460542409370 + 460542409371.

It is an arithmetic number, because the mean of its divisors is an integer number (460542409371).

Almost surely, 2^921084818741 is an apocalyptic number.

It is an amenable number.

921084818741 is a deficient number, since it is larger than the sum of its proper divisors (1).

921084818741 is an equidigital number, since it uses as much as digits as its factorization.

921084818741 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1032192, while the sum is 53.

The spelling of 921084818741 in words is "nine hundred twenty-one billion, eighty-four million, eight hundred eighteen thousand, seven hundred forty-one".