5127009971 has 4 divisors (see below), whose sum is σ = 5349923472. Its totient is φ = 4904096472.

The previous prime is 5127009929. The next prime is 5127009973. The reversal of 5127009971 is 1799007215.

It is a happy number.

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 5127009971 - 2²² = 5122815667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5127009973) 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, 111456716 + ... + 111456761.

It is an arithmetic number, because the mean of its divisors is an integer number (1337480868).

Almost surely, 2^5127009971 is an apocalyptic number.

5127009971 is a deficient number, since it is larger than the sum of its proper divisors (222913501).

5127009971 is a wasteful number, since it uses less digits than its factorization.

5127009971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222913500.

The product of its (nonzero) digits is 39690, while the sum is 41.

The square root of 5127009971 is about 71603.1421866387. The cubic root of 5127009971 is about 1724.3339831438. Note that the first 3 decimals are identical.

The spelling of 5127009971 in words is "five billion, one hundred twenty-seven million, nine thousand, nine hundred seventy-one".