27347003641 has 4 divisors (see below), whose sum is σ = 28955650932. Its totient is φ = 25738356352.

The previous prime is 27347003633. The next prime is 27347003669. The reversal of 27347003641 is 14630074372.

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 19160373241 + 8186630400 = 138421^2 + 90480^2 .

It is a cyclic number.

It is not a de Polignac number, because 27347003641 - 2³ = 27347003633 is a prime.

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 27347003641.

It is not an unprimeable number, because it can be changed into a prime (27347003041) 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, 804323620 + ... + 804323653.

It is an arithmetic number, because the mean of its divisors is an integer number (7238912733).

Almost surely, 2^27347003641 is an apocalyptic number.

It is an amenable number.

27347003641 is a deficient number, since it is larger than the sum of its proper divisors (1608647291).

27347003641 is a wasteful number, since it uses less digits than its factorization.

27347003641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1608647290.

The product of its (nonzero) digits is 84672, while the sum is 37.

The spelling of 27347003641 in words is "twenty-seven billion, three hundred forty-seven million, three thousand, six hundred forty-one".