27454669013 has 2 divisors, whose sum is σ = 27454669014. Its totient is φ = 27454669012.

The previous prime is 27454668977. The next prime is 27454669043. The reversal of 27454669013 is 31096645472.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27108634609 + 346034404 = 164647^2 + 18602^2 .

It is a cyclic number.

It is not a de Polignac number, because 27454669013 - 2⁶ = 27454668949 is a prime.

It is a super-2 number, since 2×27454669013² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27454669043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13727334506 + 13727334507.

It is an arithmetic number, because the mean of its divisors is an integer number (13727334507).

Almost surely, 2^27454669013 is an apocalyptic number.

It is an amenable number.

27454669013 is a deficient number, since it is larger than the sum of its proper divisors (1).

27454669013 is an equidigital number, since it uses as much as digits as its factorization.

27454669013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 47.

The spelling of 27454669013 in words is "twenty-seven billion, four hundred fifty-four million, six hundred sixty-nine thousand, thirteen".