27648701473 has 2 divisors, whose sum is σ = 27648701474. Its totient is φ = 27648701472.

The previous prime is 27648701467. The next prime is 27648701527. The reversal of 27648701473 is 37410784672.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20836345104 + 6812356369 = 144348^2 + 82537^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27648701473 is a prime.

It is not a weakly prime, because it can be changed into another prime (27648701173) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13824350736 + 13824350737.

It is an arithmetic number, because the mean of its divisors is an integer number (13824350737).

Almost surely, 2^27648701473 is an apocalyptic number.

It is an amenable number.

27648701473 is a deficient number, since it is larger than the sum of its proper divisors (1).

27648701473 is an equidigital number, since it uses as much as digits as its factorization.

27648701473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1580544, while the sum is 49.

The spelling of 27648701473 in words is "twenty-seven billion, six hundred forty-eight million, seven hundred one thousand, four hundred seventy-three".