27380913841 has 4 divisors (see below), whose sum is σ = 27503698432. Its totient is φ = 27258129252.

The previous prime is 27380913839. The next prime is 27380913853. The reversal of 27380913841 is 14831908372.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 27380913841 - 2¹ = 27380913839 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 27380913791 and 27380913800.

It is not an unprimeable number, because it can be changed into a prime (27380913871) 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, 61391961 + ... + 61392406.

It is an arithmetic number, because the mean of its divisors is an integer number (6875924608).

Almost surely, 2^27380913841 is an apocalyptic number.

It is an amenable number.

27380913841 is a deficient number, since it is larger than the sum of its proper divisors (122784591).

27380913841 is a wasteful number, since it uses less digits than its factorization.

27380913841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122784590.

The product of its (nonzero) digits is 290304, while the sum is 46.

The spelling of 27380913841 in words is "twenty-seven billion, three hundred eighty million, nine hundred thirteen thousand, eight hundred forty-one".