27465806453089 has 3 divisors (see below), whose sum is σ = 27465811693873. Its totient is φ = 27465801212306.

The previous prime is 27465806453027. The next prime is 27465806453117. The reversal of 27465806453089 is 98035460856472.

The square root of 27465806453089 is 5240783.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 27465806453089 - 2¹⁹ = 27465805928801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27465806453389) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 2620392 + ... + 7861174.

Almost surely, 2^{27465806453089} is an apocalyptic number.

27465806453089 is the 5240783-rd square number.

27465806453089 is the 2620392-nd centered octagonal number.

It is an amenable number.

27465806453089 is a deficient number, since it is larger than the sum of its proper divisors (5240784).

27465806453089 is an frugal number, since it uses more digits than its factorization.

27465806453089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10481566 (or 5240783 counting only the distinct ones).

The product of its (nonzero) digits is 348364800, while the sum is 67.

The spelling of 27465806453089 in words is "twenty-seven trillion, four hundred sixty-five billion, eight hundred six million, four hundred fifty-three thousand, eighty-nine".