27229167949 has 2 divisors, whose sum is σ = 27229167950. Its totient is φ = 27229167948.

The previous prime is 27229167893. The next prime is 27229167989. The reversal of 27229167949 is 94976192272.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18595413225 + 8633754724 = 136365^2 + 92918^2 .

It is a cyclic number.

It is not a de Polignac number, because 27229167949 - 2⁹ = 27229167437 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27229167893 and 27229167902.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27229167989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13614583974 + 13614583975.

It is an arithmetic number, because the mean of its divisors is an integer number (13614583975).

Almost surely, 2^27229167949 is an apocalyptic number.

It is an amenable number.

27229167949 is a deficient number, since it is larger than the sum of its proper divisors (1).

27229167949 is an equidigital number, since it uses as much as digits as its factorization.

27229167949 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6858432, while the sum is 58.

The spelling of 27229167949 in words is "twenty-seven billion, two hundred twenty-nine million, one hundred sixty-seven thousand, nine hundred forty-nine".