27400750523 has 2 divisors, whose sum is σ = 27400750524. Its totient is φ = 27400750522.

The previous prime is 27400750463. The next prime is 27400750541. The reversal of 27400750523 is 32505700472.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27400750523 is a prime.

It is a super-2 number, since 2×27400750523² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27400758523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13700375261 + 13700375262.

It is an arithmetic number, because the mean of its divisors is an integer number (13700375262).

Almost surely, 2^27400750523 is an apocalyptic number.

27400750523 is a deficient number, since it is larger than the sum of its proper divisors (1).

27400750523 is an equidigital number, since it uses as much as digits as its factorization.

27400750523 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 58800, while the sum is 35.

The spelling of 27400750523 in words is "twenty-seven billion, four hundred million, seven hundred fifty thousand, five hundred twenty-three".