5001399971 has 2 divisors, whose sum is σ = 5001399972. Its totient is φ = 5001399970.

The previous prime is 5001399947. The next prime is 5001400037. The reversal of 5001399971 is 1799931005.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5001399971 is a prime.

It is not a weakly prime, because it can be changed into another prime (5001399941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2500699985 + 2500699986.

It is an arithmetic number, because the mean of its divisors is an integer number (2500699986).

Almost surely, 2^5001399971 is an apocalyptic number.

5001399971 is a deficient number, since it is larger than the sum of its proper divisors (1).

5001399971 is an equidigital number, since it uses as much as digits as its factorization.

5001399971 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 76545, while the sum is 44.

The square root of 5001399971 is about 70720.5767156915. The cubic root of 5001399971 is about 1710.1355262329.

The spelling of 5001399971 in words is "five billion, one million, three hundred ninety-nine thousand, nine hundred seventy-one".