27955423641 has 16 divisors (see below), whose sum is σ = 38200055040. Its totient is φ = 18174276480.

The previous prime is 27955423591. The next prime is 27955423681. The reversal of 27955423641 is 14632455972.

It is not a de Polignac number, because 27955423641 - 2¹⁸ = 27955161497 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27955423681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 232480 + ... + 331598.

It is an arithmetic number, because the mean of its divisors is an integer number (2387503440).

Almost surely, 2^27955423641 is an apocalyptic number.

It is an amenable number.

27955423641 is a deficient number, since it is larger than the sum of its proper divisors (10244631399).

27955423641 is a wasteful number, since it uses less digits than its factorization.

27955423641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101456.

The product of its digits is 1814400, while the sum is 48.

The spelling of 27955423641 in words is "twenty-seven billion, nine hundred fifty-five million, four hundred twenty-three thousand, six hundred forty-one".