27000454549961 has 2 divisors, whose sum is σ = 27000454549962. Its totient is φ = 27000454549960.

The previous prime is 27000454549843. The next prime is 27000454549993. The reversal of 27000454549961 is 16994545400072.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 25112526337600 + 1887928212361 = 5011240^2 + 1374019^2 .

It is a cyclic number.

It is not a de Polignac number, because 27000454549961 - 2⁴² = 22602408038857 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 27000454549897 and 27000454549906.

It is not a weakly prime, because it can be changed into another prime (27000454542961) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13500227274980 + 13500227274981.

It is an arithmetic number, because the mean of its divisors is an integer number (13500227274981).

Almost surely, 2^{27000454549961} is an apocalyptic number.

It is an amenable number.

27000454549961 is a deficient number, since it is larger than the sum of its proper divisors (1).

27000454549961 is an equidigital number, since it uses as much as digits as its factorization.

27000454549961 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10886400, while the sum is 56.

The spelling of 27000454549961 in words is "twenty-seven trillion, four hundred fifty-four million, five hundred forty-nine thousand, nine hundred sixty-one".