27625152651389 has 4 divisors (see below), whose sum is σ = 27625209331356. Its totient is φ = 27625095971424.

The previous prime is 27625152651367. The next prime is 27625152651461. The reversal of 27625152651389 is 98315625152672.

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 14021167915225 + 13603984736164 = 3744485^2 + 3688358^2 .

It is a cyclic number.

It is not a de Polignac number, because 27625152651389 - 2²⁰ = 27625151602813 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 (27625152651289) 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, 27602504 + ... + 28585809.

It is an arithmetic number, because the mean of its divisors is an integer number (6906302332839).

Almost surely, 2^{27625152651389} is an apocalyptic number.

It is an amenable number.

27625152651389 is a deficient number, since it is larger than the sum of its proper divisors (56679967).

27625152651389 is an equidigital number, since it uses as much as digits as its factorization.

27625152651389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56679966.

The product of its digits is 54432000, while the sum is 62.

The spelling of 27625152651389 in words is "twenty-seven trillion, six hundred twenty-five billion, one hundred fifty-two million, six hundred fifty-one thousand, three hundred eighty-nine".