27971819416541 has 16 divisors (see below), whose sum is σ = 37556568728448. Its totient is φ = 20119590388800.

The previous prime is 27971819416531. The next prime is 27971819416553. The reversal of 27971819416541 is 14561491817972.

It is not a de Polignac number, because 27971819416541 - 2²⁶ = 27971752307677 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27971819416531) 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, 13971936770 + ... + 13971938771.

It is an arithmetic number, because the mean of its divisors is an integer number (2347285545528).

Almost surely, 2^{27971819416541} is an apocalyptic number.

It is an amenable number.

27971819416541 is a deficient number, since it is larger than the sum of its proper divisors (9584749311907).

27971819416541 is a wasteful number, since it uses less digits than its factorization.

27971819416541 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27943875572.

The product of its digits is 30481920, while the sum is 65.

The spelling of 27971819416541 in words is "twenty-seven trillion, nine hundred seventy-one billion, eight hundred nineteen million, four hundred sixteen thousand, five hundred forty-one".