28094226046969 has 2 divisors, whose sum is σ = 28094226046970. Its totient is φ = 28094226046968.

The previous prime is 28094226046961. The next prime is 28094226046987. The reversal of 28094226046969 is 96964062249082.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25939025883369 + 2155200163600 = 5093037^2 + 1468060^2 .

It is a cyclic number.

It is not a de Polignac number, because 28094226046969 - 2³ = 28094226046961 is a prime.

It is a super-2 number, since 2×28094226046969² (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (28094226046961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14047113023484 + 14047113023485.

It is an arithmetic number, because the mean of its divisors is an integer number (14047113023485).

Almost surely, 2^{28094226046969} is an apocalyptic number.

It is an amenable number.

28094226046969 is a deficient number, since it is larger than the sum of its proper divisors (1).

28094226046969 is an equidigital number, since it uses as much as digits as its factorization.

28094226046969 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 161243136, while the sum is 67.

The spelling of 28094226046969 in words is "twenty-eight trillion, ninety-four billion, two hundred twenty-six million, forty-six thousand, nine hundred sixty-nine".