27303206542921 has 8 divisors (see below), whose sum is σ = 28921268134944. Its totient is φ = 25686477241920.

The previous prime is 27303206542907. The next prime is 27303206543027. The reversal of 27303206542921 is 12924560230372.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 27303206542921 - 2⁷ = 27303206542793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (27303201542921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 333030555 + ... + 333112528.

It is an arithmetic number, because the mean of its divisors is an integer number (3615158516868).

Almost surely, 2^{27303206542921} is an apocalyptic number.

It is an amenable number.

27303206542921 is a deficient number, since it is larger than the sum of its proper divisors (1618061592023).

27303206542921 is a wasteful number, since it uses less digits than its factorization.

27303206542921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666145511.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 27303206542921 in words is "twenty-seven trillion, three hundred three billion, two hundred six million, five hundred forty-two thousand, nine hundred twenty-one".