12292492789 has 2 divisors, whose sum is σ = 12292492790. Its totient is φ = 12292492788.

The previous prime is 12292492783. The next prime is 12292492801. The reversal of 12292492789 is 98729429221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10767590289 + 1524902500 = 103767^2 + 39050^2 .

It is a cyclic number.

It is not a de Polignac number, because 12292492789 - 2³ = 12292492781 is a prime.

It is a super-2 number, since 2×12292492789² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12292492781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6146246394 + 6146246395.

It is an arithmetic number, because the mean of its divisors is an integer number (6146246395).

Almost surely, 2^12292492789 is an apocalyptic number.

It is an amenable number.

12292492789 is a deficient number, since it is larger than the sum of its proper divisors (1).

12292492789 is an equidigital number, since it uses as much as digits as its factorization.

12292492789 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2612736, while the sum is 55.

The spelling of 12292492789 in words is "twelve billion, two hundred ninety-two million, four hundred ninety-two thousand, seven hundred eighty-nine".