27735214369 has 2 divisors, whose sum is σ = 27735214370. Its totient is φ = 27735214368.

The previous prime is 27735214279. The next prime is 27735214391. The reversal of 27735214369 is 96341253772.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27378004369 + 357210000 = 165463^2 + 18900^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27735214369 is a prime.

It is a super-2 number, since 2×27735214369² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (27735214399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13867607184 + 13867607185.

It is an arithmetic number, because the mean of its divisors is an integer number (13867607185).

Almost surely, 2^27735214369 is an apocalyptic number.

It is an amenable number.

27735214369 is a deficient number, since it is larger than the sum of its proper divisors (1).

27735214369 is an equidigital number, since it uses as much as digits as its factorization.

27735214369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1905120, while the sum is 49.

The spelling of 27735214369 in words is "twenty-seven billion, seven hundred thirty-five million, two hundred fourteen thousand, three hundred sixty-nine".