4663425781 has 8 divisors (see below), whose sum is σ = 5334767360. Its totient is φ = 3993368688.

The previous prime is 4663425779. The next prime is 4663425803. The reversal of 4663425781 is 1875243664.

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 4663425781 - 2¹ = 4663425779 is a prime.

It is a super-2 number, since 2×4663425781² = 43495080029790919922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4663429781) 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, 313326 + ... + 327871.

It is an arithmetic number, because the mean of its divisors is an integer number (666845920).

Almost surely, 2^4663425781 is an apocalyptic number.

It is an amenable number.

4663425781 is a deficient number, since it is larger than the sum of its proper divisors (671341579).

4663425781 is a wasteful number, since it uses less digits than its factorization.

4663425781 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 642243.

The product of its digits is 967680, while the sum is 46.

The square root of 4663425781 is about 68289.2801323897. The cubic root of 4663425781 is about 1670.7123762253.

The spelling of 4663425781 in words is "four billion, six hundred sixty-three million, four hundred twenty-five thousand, seven hundred eighty-one".