27338000621 has 4 divisors (see below), whose sum is σ = 27350030172. Its totient is φ = 27325971072.

The previous prime is 27338000609. The next prime is 27338000653. The reversal of 27338000621 is 12600083372.

27338000621 = 116914² + 116915².

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 13669117225 + 13668883396 = 116915^2 + 116914^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-27338000621 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 (27338000681) 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, 6011366 + ... + 6015911.

It is an arithmetic number, because the mean of its divisors is an integer number (6837507543).

Almost surely, 2^27338000621 is an apocalyptic number.

27338000621 is the 116915-th centered square number.

It is an amenable number.

27338000621 is a deficient number, since it is larger than the sum of its proper divisors (12029551).

27338000621 is a wasteful number, since it uses less digits than its factorization.

27338000621 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12029550.

The product of its (nonzero) digits is 12096, while the sum is 32.

Adding to 27338000621 its reverse (12600083372), we get a palindrome (39938083993).

The spelling of 27338000621 in words is "twenty-seven billion, three hundred thirty-eight million, six hundred twenty-one", and thus it is an aban number.