27373463449 has 2 divisors, whose sum is σ = 27373463450. Its totient is φ = 27373463448.

The previous prime is 27373463441. The next prime is 27373463473. The reversal of 27373463449 is 94436437372.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25824490000 + 1548973449 = 160700^2 + 39357^2 .

It is a cyclic number.

It is not a de Polignac number, because 27373463449 - 2³ = 27373463441 is a prime.

It is a super-3 number, since 3×27373463449³ (a number of 32 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 27373463396 and 27373463405.

It is not a weakly prime, because it can be changed into another prime (27373463441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13686731724 + 13686731725.

It is an arithmetic number, because the mean of its divisors is an integer number (13686731725).

Almost surely, 2^27373463449 is an apocalyptic number.

It is an amenable number.

27373463449 is a deficient number, since it is larger than the sum of its proper divisors (1).

27373463449 is an equidigital number, since it uses as much as digits as its factorization.

27373463449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9144576, while the sum is 52.

The spelling of 27373463449 in words is "twenty-seven billion, three hundred seventy-three million, four hundred sixty-three thousand, four hundred forty-nine".