27535382801 has 2 divisors, whose sum is σ = 27535382802. Its totient is φ = 27535382800.

The previous prime is 27535382779. The next prime is 27535382839. The reversal of 27535382801 is 10828353572.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 24939989776 + 2595393025 = 157924^2 + 50945^2 .

It is a cyclic number.

It is not a de Polignac number, because 27535382801 - 2¹⁰ = 27535381777 is a prime.

It is not a weakly prime, because it can be changed into another prime (27535382881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13767691400 + 13767691401.

It is an arithmetic number, because the mean of its divisors is an integer number (13767691401).

Almost surely, 2^27535382801 is an apocalyptic number.

It is an amenable number.

27535382801 is a deficient number, since it is larger than the sum of its proper divisors (1).

27535382801 is an equidigital number, since it uses as much as digits as its factorization.

27535382801 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 403200, while the sum is 44.

The spelling of 27535382801 in words is "twenty-seven billion, five hundred thirty-five million, three hundred eighty-two thousand, eight hundred one".