27134622451 has 4 divisors (see below), whose sum is σ = 27516800304. Its totient is φ = 26752444600.

The previous prime is 27134622409. The next prime is 27134622481. The reversal of 27134622451 is 15422643172.

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

It is a cyclic number.

It is not a de Polignac number, because 27134622451 - 2¹⁵ = 27134589683 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 27134622451.

It is not an unprimeable number, because it can be changed into a prime (27134622481) 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, 191088820 + ... + 191088961.

It is an arithmetic number, because the mean of its divisors is an integer number (6879200076).

Almost surely, 2^27134622451 is an apocalyptic number.

27134622451 is a deficient number, since it is larger than the sum of its proper divisors (382177853).

27134622451 is an equidigital number, since it uses as much as digits as its factorization.

27134622451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382177852.

The product of its digits is 80640, while the sum is 37.

The spelling of 27134622451 in words is "twenty-seven billion, one hundred thirty-four million, six hundred twenty-two thousand, four hundred fifty-one".