27186498786053 has 2 divisors, whose sum is σ = 27186498786054. Its totient is φ = 27186498786052.

The previous prime is 27186498786047. The next prime is 27186498786103. The reversal of 27186498786053 is 35068789468172.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 23488542864004 + 3697955922049 = 4846498^2 + 1923007^2 .

It is a cyclic number.

It is not a de Polignac number, because 27186498786053 - 2⁴ = 27186498786037 is a prime.

It is a super-2 number, since 2×27186498786053² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (27186498780053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13593249393026 + 13593249393027.

It is an arithmetic number, because the mean of its divisors is an integer number (13593249393027).

It is a 1-persistent number, because it is pandigital, but 2⋅27186498786053 = 54372997572106 is not.

Almost surely, 2^{27186498786053} is an apocalyptic number.

It is an amenable number.

27186498786053 is a deficient number, since it is larger than the sum of its proper divisors (1).

27186498786053 is an equidigital number, since it uses as much as digits as its factorization.

27186498786053 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 975421440, while the sum is 74.

The spelling of 27186498786053 in words is "twenty-seven trillion, one hundred eighty-six billion, four hundred ninety-eight million, seven hundred eighty-six thousand, fifty-three".