92420309689 has 2 divisors, whose sum is σ = 92420309690. Its totient is φ = 92420309688.

The previous prime is 92420309687. The next prime is 92420309731. The reversal of 92420309689 is 98690302429.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 65233246464 + 27187063225 = 255408^2 + 164885^2 .

It is an emirp because it is prime and its reverse (98690302429) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 92420309689 - 2¹ = 92420309687 is a prime.

Together with 92420309687, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (92420309687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46210154844 + 46210154845.

It is an arithmetic number, because the mean of its divisors is an integer number (46210154845).

Almost surely, 2^92420309689 is an apocalyptic number.

It is an amenable number.

92420309689 is a deficient number, since it is larger than the sum of its proper divisors (1).

92420309689 is an equidigital number, since it uses as much as digits as its factorization.

92420309689 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1679616, while the sum is 52.

The spelling of 92420309689 in words is "ninety-two billion, four hundred twenty million, three hundred nine thousand, six hundred eighty-nine".