27400750453 has 2 divisors, whose sum is σ = 27400750454. Its totient is φ = 27400750452.

The previous prime is 27400750417. The next prime is 27400750463. The reversal of 27400750453 is 35405700472.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27019798129 + 380952324 = 164377^2 + 19518^2 .

It is a cyclic number.

It is not a de Polignac number, because 27400750453 - 2⁹ = 27400749941 is a prime.

It is a super-2 number, since 2×27400750453² (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 (27400750463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13700375226 + 13700375227.

It is an arithmetic number, because the mean of its divisors is an integer number (13700375227).

Almost surely, 2^27400750453 is an apocalyptic number.

It is an amenable number.

27400750453 is a deficient number, since it is larger than the sum of its proper divisors (1).

27400750453 is an equidigital number, since it uses as much as digits as its factorization.

27400750453 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 117600, while the sum is 37.

The spelling of 27400750453 in words is "twenty-seven billion, four hundred million, seven hundred fifty thousand, four hundred fifty-three".