994226170489 has 2 divisors, whose sum is σ = 994226170490. Its totient is φ = 994226170488.

The previous prime is 994226170471. The next prime is 994226170493. The reversal of 994226170489 is 984071622499.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 654812732025 + 339413438464 = 809205^2 + 582592^2 .

It is a cyclic number.

It is not a de Polignac number, because 994226170489 - 2⁹ = 994226169977 is a prime.

It is not a weakly prime, because it can be changed into another prime (994226170589) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 497113085244 + 497113085245.

It is an arithmetic number, because the mean of its divisors is an integer number (497113085245).

Almost surely, 2^994226170489 is an apocalyptic number.

It is an amenable number.

994226170489 is a deficient number, since it is larger than the sum of its proper divisors (1).

994226170489 is an equidigital number, since it uses as much as digits as its factorization.

994226170489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15676416, while the sum is 61.

The spelling of 994226170489 in words is "nine hundred ninety-four billion, two hundred twenty-six million, one hundred seventy thousand, four hundred eighty-nine".