5871619421 has 4 divisors (see below), whose sum is σ = 5887618752. Its totient is φ = 5855620092.

The previous prime is 5871619379. The next prime is 5871619441. The reversal of 5871619421 is 1249161785.

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.

It is a cyclic number.

It is not a de Polignac number, because 5871619421 - 2¹⁴ = 5871603037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5871619441) 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, 7999115 + ... + 7999848.

It is an arithmetic number, because the mean of its divisors is an integer number (1471904688).

Almost surely, 2^5871619421 is an apocalyptic number.

It is an amenable number.

5871619421 is a deficient number, since it is larger than the sum of its proper divisors (15999331).

5871619421 is a wasteful number, since it uses less digits than its factorization.

5871619421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15999330.

The product of its digits is 120960, while the sum is 44.

The square root of 5871619421 is about 76626.4929446729. The cubic root of 5871619421 is about 1804.0668765963.

The spelling of 5871619421 in words is "five billion, eight hundred seventy-one million, six hundred nineteen thousand, four hundred twenty-one".