5211919871 has 8 divisors (see below), whose sum is σ = 5239914624. Its totient is φ = 5183983000.

The previous prime is 5211919861. The next prime is 5211919873. The reversal of 5211919871 is 1789191125.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5211919871 - 2³⁰ = 4138178047 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 (5211919873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172520 + ... + 200466.

It is an arithmetic number, because the mean of its divisors is an integer number (654989328).

Almost surely, 2^5211919871 is an apocalyptic number.

5211919871 is a deficient number, since it is larger than the sum of its proper divisors (27994753).

5211919871 is a wasteful number, since it uses less digits than its factorization.

5211919871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28941.

The product of its digits is 45360, while the sum is 44.

The square root of 5211919871 is about 72193.6276343002. The cubic root of 5211919871 is about 1733.8009771945.

The spelling of 5211919871 in words is "five billion, two hundred eleven million, nine hundred nineteen thousand, eight hundred seventy-one".