27154389383 has 4 divisors (see below), whose sum is σ = 29622970248. Its totient is φ = 24685808520.

The previous prime is 27154389377. The next prime is 27154389397. The reversal of 27154389383 is 38398345172.

It is a happy number.

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 27154389383 - 2⁸ = 27154389127 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 (27154389373) 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, 1234290416 + ... + 1234290437.

It is an arithmetic number, because the mean of its divisors is an integer number (7405742562).

Almost surely, 2^27154389383 is an apocalyptic number.

27154389383 is a deficient number, since it is larger than the sum of its proper divisors (2468580865).

27154389383 is a wasteful number, since it uses less digits than its factorization.

27154389383 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2468580864.

The product of its digits is 4354560, while the sum is 53.

The spelling of 27154389383 in words is "twenty-seven billion, one hundred fifty-four million, three hundred eighty-nine thousand, three hundred eighty-three".