7266143149 has 2 divisors, whose sum is σ = 7266143150. Its totient is φ = 7266143148.

The previous prime is 7266143081. The next prime is 7266143237. The reversal of 7266143149 is 9413416627.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7096883049 + 169260100 = 84243^2 + 13010^2 .

It is an emirp because it is prime and its reverse (9413416627) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7266143149 - 2⁷ = 7266143021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7266143849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3633071574 + 3633071575.

It is an arithmetic number, because the mean of its divisors is an integer number (3633071575).

Almost surely, 2^7266143149 is an apocalyptic number.

It is an amenable number.

7266143149 is a deficient number, since it is larger than the sum of its proper divisors (1).

7266143149 is an equidigital number, since it uses as much as digits as its factorization.

7266143149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 217728, while the sum is 43.

The square root of 7266143149 is about 85241.6749542147. The cubic root of 7266143149 is about 1936.8737643622.

The spelling of 7266143149 in words is "seven billion, two hundred sixty-six million, one hundred forty-three thousand, one hundred forty-nine".