5006473721 has 4 divisors (see below), whose sum is σ = 5008814244. Its totient is φ = 5004133200.

The previous prime is 5006473711. The next prime is 5006473727. The reversal of 5006473721 is 1273746005.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4258998121 + 747475600 = 65261^2 + 27340^2 .

It is a cyclic number.

It is not a de Polignac number, because 5006473721 - 2¹⁸ = 5006211577 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5006473727) 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, 1167050 + ... + 1171331.

It is an arithmetic number, because the mean of its divisors is an integer number (1252203561).

Almost surely, 2^5006473721 is an apocalyptic number.

It is an amenable number.

5006473721 is a deficient number, since it is larger than the sum of its proper divisors (2340523).

5006473721 is a wasteful number, since it uses less digits than its factorization.

5006473721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2340522.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 5006473721 is about 70756.4394313337. The cubic root of 5006473721 is about 1710.7136222142.

The spelling of 5006473721 in words is "five billion, six million, four hundred seventy-three thousand, seven hundred twenty-one".