5664076421 has 8 divisors (see below), whose sum is σ = 5692579200. Its totient is φ = 5635630080.

The previous prime is 5664076331. The next prime is 5664076423. The reversal of 5664076421 is 1246704665.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5664076421 - 2²⁶ = 5596967557 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5664076423) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 194810 + ... + 221988.

It is an arithmetic number, because the mean of its divisors is an integer number (711572400).

Almost surely, 2^5664076421 is an apocalyptic number.

It is an amenable number.

5664076421 is a deficient number, since it is larger than the sum of its proper divisors (28502779).

5664076421 is a wasteful number, since it uses less digits than its factorization.

5664076421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28219.

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

The square root of 5664076421 is about 75260.0586034850. The cubic root of 5664076421 is about 1782.5553942999. Note that the first 3 decimals are identical.

The spelling of 5664076421 in words is "five billion, six hundred sixty-four million, seventy-six thousand, four hundred twenty-one".