27400267373 has 2 divisors, whose sum is σ = 27400267374. Its totient is φ = 27400267372.

The previous prime is 27400267337. The next prime is 27400267393. The reversal of 27400267373 is 37376200472.

Together with previous prime (27400267337) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26909777764 + 490489609 = 164042^2 + 22147^2 .

It is a cyclic number.

It is not a de Polignac number, because 27400267373 - 2⁸ = 27400267117 is a prime.

It is a super-2 number, since 2×27400267373² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 27400267373.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27400267313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13700133686 + 13700133687.

It is an arithmetic number, because the mean of its divisors is an integer number (13700133687).

Almost surely, 2^27400267373 is an apocalyptic number.

It is an amenable number.

27400267373 is a deficient number, since it is larger than the sum of its proper divisors (1).

27400267373 is an equidigital number, since it uses as much as digits as its factorization.

27400267373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 296352, while the sum is 41.

The spelling of 27400267373 in words is "twenty-seven billion, four hundred million, two hundred sixty-seven thousand, three hundred seventy-three".