27625195349 has 4 divisors (see below), whose sum is σ = 27626976300. Its totient is φ = 27623414400.

The previous prime is 27625195333. The next prime is 27625195363. The reversal of 27625195349 is 94359152672.

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 5534318449 + 22090876900 = 74393^2 + 148630^2 .

It is a cyclic number.

It is not a de Polignac number, because 27625195349 - 2⁴ = 27625195333 is a prime.

It is a super-2 number, since 2×27625195349² (a number of 22 digits) contains 22 as substring.

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 27625195349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27625195379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 867002 + ... + 898299.

It is an arithmetic number, because the mean of its divisors is an integer number (6906744075).

Almost surely, 2^27625195349 is an apocalyptic number.

It is an amenable number.

27625195349 is a deficient number, since it is larger than the sum of its proper divisors (1780951).

27625195349 is a wasteful number, since it uses less digits than its factorization.

27625195349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1780950.

The product of its digits is 4082400, while the sum is 53.

The spelling of 27625195349 in words is "twenty-seven billion, six hundred twenty-five million, one hundred ninety-five thousand, three hundred forty-nine".