27454034513 has 2 divisors, whose sum is σ = 27454034514. Its totient is φ = 27454034512.

The previous prime is 27454034497. The next prime is 27454034537. The reversal of 27454034513 is 31543045472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20365573264 + 7088461249 = 142708^2 + 84193^2 .

It is a cyclic number.

It is not a de Polignac number, because 27454034513 - 2⁴ = 27454034497 is a prime.

It is a super-2 number, since 2×27454034513² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27454034813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13727017256 + 13727017257.

It is an arithmetic number, because the mean of its divisors is an integer number (13727017257).

Almost surely, 2^27454034513 is an apocalyptic number.

It is an amenable number.

27454034513 is a deficient number, since it is larger than the sum of its proper divisors (1).

27454034513 is an equidigital number, since it uses as much as digits as its factorization.

27454034513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 201600, while the sum is 38.

Adding to 27454034513 its reverse (31543045472), we get a palindrome (58997079985).

The spelling of 27454034513 in words is "twenty-seven billion, four hundred fifty-four million, thirty-four thousand, five hundred thirteen".