27974716373 has 2 divisors, whose sum is σ = 27974716374. Its totient is φ = 27974716372.

The previous prime is 27974716369. The next prime is 27974716379. The reversal of 27974716373 is 37361747972.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20125110769 + 7849605604 = 141863^2 + 88598^2 .

It is a cyclic number.

It is not a de Polignac number, because 27974716373 - 2² = 27974716369 is a prime.

It is a super-2 number, since 2×27974716373² (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 (27974716379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13987358186 + 13987358187.

It is an arithmetic number, because the mean of its divisors is an integer number (13987358187).

Almost surely, 2^27974716373 is an apocalyptic number.

It is an amenable number.

27974716373 is a deficient number, since it is larger than the sum of its proper divisors (1).

27974716373 is an equidigital number, since it uses as much as digits as its factorization.

27974716373 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9335088, while the sum is 56.

The spelling of 27974716373 in words is "twenty-seven billion, nine hundred seventy-four million, seven hundred sixteen thousand, three hundred seventy-three".