5871842131949 has 4 divisors (see below), whose sum is σ = 5871847539936. Its totient is φ = 5871836723964.

The previous prime is 5871842131937. The next prime is 5871842131979. The reversal of 5871842131949 is 9491312481785.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5871842131949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5871842131891 and 5871842131900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5871842131979) 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, 447839 + ... + 3456044.

It is an arithmetic number, because the mean of its divisors is an integer number (1467961884984).

Almost surely, 2^{5871842131949} is an apocalyptic number.

It is an amenable number.

5871842131949 is a deficient number, since it is larger than the sum of its proper divisors (5407987).

5871842131949 is a wasteful number, since it uses less digits than its factorization.

5871842131949 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5407986.

The product of its digits is 17418240, while the sum is 62.

The spelling of 5871842131949 in words is "five trillion, eight hundred seventy-one billion, eight hundred forty-two million, one hundred thirty-one thousand, nine hundred forty-nine".