4663615641 has 16 divisors (see below), whose sum is σ = 6271678464. Its totient is φ = 3082351104.

The previous prime is 4663615637. The next prime is 4663615667. The reversal of 4663615641 is 1465163664.

It is not a de Polignac number, because 4663615641 - 2² = 4663615637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4663615593 and 4663615602.

It is not an unprimeable number, because it can be changed into a prime (4663615681) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 642951 + ... + 650163.

It is an arithmetic number, because the mean of its divisors is an integer number (391979904).

Almost surely, 2^4663615641 is an apocalyptic number.

It is an amenable number.

4663615641 is a deficient number, since it is larger than the sum of its proper divisors (1608062823).

4663615641 is a wasteful number, since it uses less digits than its factorization.

4663615641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9040.

The product of its digits is 311040, while the sum is 42.

The square root of 4663615641 is about 68290.6702339346. The cubic root of 4663615641 is about 1670.7350489100.

The spelling of 4663615641 in words is "four billion, six hundred sixty-three million, six hundred fifteen thousand, six hundred forty-one".