4021664625334 has 8 divisors (see below), whose sum is σ = 6032602666800. Its totient is φ = 2010797069736.

The previous prime is 4021664625317. The next prime is 4021664625343. The reversal of 4021664625334 is 4335264661204.

It is a happy number.

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

It is a super-3 number, since 3×4021664625334³ (a number of 39 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17478594 + ... + 17707189.

It is an arithmetic number, because the mean of its divisors is an integer number (754075333350).

Almost surely, 2^{4021664625334} is an apocalyptic number.

4021664625334 is a deficient number, since it is larger than the sum of its proper divisors (2010938041466).

4021664625334 is a wasteful number, since it uses less digits than its factorization.

4021664625334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35242934.

The product of its (nonzero) digits is 2488320, while the sum is 46.

The spelling of 4021664625334 in words is "four trillion, twenty-one billion, six hundred sixty-four million, six hundred twenty-five thousand, three hundred thirty-four".