127941854843431 has 4 divisors (see below), whose sum is σ = 127952933031000. Its totient is φ = 127930776655864.

The previous prime is 127941854843377. The next prime is 127941854843459. The reversal of 127941854843431 is 134348458149721.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 127941854843431 - 2⁷ = 127941854843303 is a prime.

It is a super-2 number, since 2×127941854843431² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (127941854847431) 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, 5539076461 + ... + 5539099558.

It is an arithmetic number, because the mean of its divisors is an integer number (31988233257750).

Almost surely, 2^{127941854843431} is an apocalyptic number.

127941854843431 is a deficient number, since it is larger than the sum of its proper divisors (11078187569).

127941854843431 is a wasteful number, since it uses less digits than its factorization.

127941854843431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11078187568.

The product of its digits is 92897280, while the sum is 64.

The spelling of 127941854843431 in words is "one hundred twenty-seven trillion, nine hundred forty-one billion, eight hundred fifty-four million, eight hundred forty-three thousand, four hundred thirty-one".