5001421668 has 24 divisors (see below), whose sum is σ = 12177375168. Its totient is φ = 1594656096.

The previous prime is 5001421639. The next prime is 5001421687. The reversal of 5001421668 is 8661241005.

It is a super-2 number, since 2×5001421668² = 50028437402279804448, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9060271 + ... + 9060822.

It is an arithmetic number, because the mean of its divisors is an integer number (507390632).

Almost surely, 2^5001421668 is an apocalyptic number.

It is an amenable number.

5001421668 is an abundant number, since it is smaller than the sum of its proper divisors (7175953500).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5001421668 is a wasteful number, since it uses less digits than its factorization.

5001421668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18121123 (or 18121121 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 33.

The square root of 5001421668 is about 70720.7301150094. The cubic root of 5001421668 is about 1710.1379991910.

The spelling of 5001421668 in words is "five billion, one million, four hundred twenty-one thousand, six hundred sixty-eight".