5000421021 has 16 divisors (see below), whose sum is σ = 7106179968. Its totient is φ = 3116736000.

The previous prime is 5000421011. The next prime is 5000421037. The reversal of 5000421021 is 1201240005.

It is not a de Polignac number, because 5000421021 - 2¹⁰ = 5000419997 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5000421011) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 316960 + ... + 332361.

It is an arithmetic number, because the mean of its divisors is an integer number (444136248).

Almost surely, 2^5000421021 is an apocalyptic number.

5000421021 is a gapful number since it is divisible by the number (51) formed by its first and last digit.

It is an amenable number.

5000421021 is a deficient number, since it is larger than the sum of its proper divisors (2105758947).

5000421021 is a wasteful number, since it uses less digits than its factorization.

5000421021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 649492.

The product of its (nonzero) digits is 80, while the sum is 15.

The square root of 5000421021 is about 70713.6551240282. The cubic root of 5000421021 is about 1710.0239410485.

Adding to 5000421021 its reverse (1201240005), we get a palindrome (6201661026).

The spelling of 5000421021 in words is "five billion, four hundred twenty-one thousand, twenty-one".