27400750213 has 2 divisors, whose sum is σ = 27400750214. Its totient is φ = 27400750212.

The previous prime is 27400750171. The next prime is 27400750357. The reversal of 27400750213 is 31205700472.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20538615969 + 6862134244 = 143313^2 + 82838^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27400750213 is a prime.

It is a super-2 number, since 2×27400750213² (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 (27400700213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13700375106 + 13700375107.

It is an arithmetic number, because the mean of its divisors is an integer number (13700375107).

Almost surely, 2^27400750213 is an apocalyptic number.

It is an amenable number.

27400750213 is a deficient number, since it is larger than the sum of its proper divisors (1).

27400750213 is an equidigital number, since it uses as much as digits as its factorization.

27400750213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 11760, while the sum is 31.

The spelling of 27400750213 in words is "twenty-seven billion, four hundred million, seven hundred fifty thousand, two hundred thirteen".