27100531453 has 4 divisors (see below), whose sum is σ = 28694680380. Its totient is φ = 25506382528.

The previous prime is 27100531429. The next prime is 27100531541. The reversal of 27100531453 is 35413500172.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16496062969 + 10604468484 = 128437^2 + 102978^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27100531453 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27100531153) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 797074438 + ... + 797074471.

It is an arithmetic number, because the mean of its divisors is an integer number (7173670095).

Almost surely, 2^27100531453 is an apocalyptic number.

It is an amenable number.

27100531453 is a deficient number, since it is larger than the sum of its proper divisors (1594148927).

27100531453 is a wasteful number, since it uses less digits than its factorization.

27100531453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594148926.

The product of its (nonzero) digits is 12600, while the sum is 31.

The spelling of 27100531453 in words is "twenty-seven billion, one hundred million, five hundred thirty-one thousand, four hundred fifty-three".