5667404621 has 16 divisors (see below), whose sum is σ = 5902364160. Its totient is φ = 5437610880.

The previous prime is 5667404609. The next prime is 5667404641. The reversal of 5667404621 is 1264047665.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 5667404621 - 2⁶ = 5667404557 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5667404641) 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 15 ways as a sum of consecutive naturals, for example, 848531 + ... + 855183.

It is an arithmetic number, because the mean of its divisors is an integer number (368897760).

Almost surely, 2^5667404621 is an apocalyptic number.

It is an amenable number.

5667404621 is a deficient number, since it is larger than the sum of its proper divisors (234959539).

5667404621 is a wasteful number, since it uses less digits than its factorization.

5667404621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7036.

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 5667404621 is about 75282.1666864072. The cubic root of 5667404621 is about 1782.9044679345.

The spelling of 5667404621 in words is "five billion, six hundred sixty-seven million, four hundred four thousand, six hundred twenty-one".