27425194392971 has 4 divisors (see below), whose sum is σ = 27434278594200. Its totient is φ = 27416110191744.

The previous prime is 27425194392889. The next prime is 27425194393039. The reversal of 27425194392971 is 17929349152472.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27425194392971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27425194392898 and 27425194392907.

It is not an unprimeable number, because it can be changed into a prime (27425194394971) 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, 4542096086 + ... + 4542102123.

It is an arithmetic number, because the mean of its divisors is an integer number (6858569648550).

Almost surely, 2^{27425194392971} is an apocalyptic number.

27425194392971 is a deficient number, since it is larger than the sum of its proper divisors (9084201229).

27425194392971 is an equidigital number, since it uses as much as digits as its factorization.

27425194392971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9084201228.

The product of its digits is 68584320, while the sum is 65.

The spelling of 27425194392971 in words is "twenty-seven trillion, four hundred twenty-five billion, one hundred ninety-four million, three hundred ninety-two thousand, nine hundred seventy-one".