927342222243821 has 2 divisors, whose sum is σ = 927342222243822. Its totient is φ = 927342222243820.

The previous prime is 927342222243721. The next prime is 927342222243823. The reversal of 927342222243821 is 128342222243729.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 920557166269225 + 6785055974596 = 30340685^2 + 2604814^2 .

It is a cyclic number.

It is not a de Polignac number, because 927342222243821 - 2²² = 927342218049517 is a prime.

It is a super-2 number, since 2×927342222243821² (a number of 31 digits) contains 22 as substring.

Together with 927342222243823, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (927342222243823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 463671111121910 + 463671111121911.

It is an arithmetic number, because the mean of its divisors is an integer number (463671111121911).

Almost surely, 2^{927342222243821} is an apocalyptic number.

It is an amenable number.

927342222243821 is a deficient number, since it is larger than the sum of its proper divisors (1).

927342222243821 is an equidigital number, since it uses as much as digits as its factorization.

927342222243821 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9289728, while the sum is 53.

The spelling of 927342222243821 in words is "nine hundred twenty-seven trillion, three hundred forty-two billion, two hundred twenty-two million, two hundred forty-three thousand, eight hundred twenty-one".