5016009021 has 4 divisors (see below), whose sum is σ = 6688012032. Its totient is φ = 3344006012.

The previous prime is 5016008999. The next prime is 5016009029. The reversal of 5016009021 is 1209006105.

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 5016009021 - 2⁹ = 5016008509 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5016008982 and 5016009000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5016009029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 836001501 + ... + 836001506.

It is an arithmetic number, because the mean of its divisors is an integer number (1672003008).

Almost surely, 2^5016009021 is an apocalyptic number.

It is an amenable number.

5016009021 is a deficient number, since it is larger than the sum of its proper divisors (1672003011).

5016009021 is a wasteful number, since it uses less digits than its factorization.

5016009021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1672003010.

The product of its (nonzero) digits is 540, while the sum is 24.

The square root of 5016009021 is about 70823.7885247605. The cubic root of 5016009021 is about 1711.7990050895.

The spelling of 5016009021 in words is "five billion, sixteen million, nine thousand, twenty-one".