12090167489 has 2 divisors, whose sum is σ = 12090167490. Its totient is φ = 12090167488.

The previous prime is 12090167473. The next prime is 12090167503. The reversal of 12090167489 is 98476109021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7846947889 + 4243219600 = 88583^2 + 65140^2 .

It is a cyclic number.

It is not a de Polignac number, because 12090167489 - 2⁴ = 12090167473 is a prime.

It is not a weakly prime, because it can be changed into another prime (12090167459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6045083744 + 6045083745.

It is an arithmetic number, because the mean of its divisors is an integer number (6045083745).

Almost surely, 2^12090167489 is an apocalyptic number.

It is an amenable number.

12090167489 is a deficient number, since it is larger than the sum of its proper divisors (1).

12090167489 is an equidigital number, since it uses as much as digits as its factorization.

12090167489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 217728, while the sum is 47.

The spelling of 12090167489 in words is "twelve billion, ninety million, one hundred sixty-seven thousand, four hundred eighty-nine".