4663641345 has 32 divisors (see below), whose sum is σ = 8494101504. Its totient is φ = 2162846400.

The previous prime is 4663641343. The next prime is 4663641361. The reversal of 4663641345 is 5431463664.

It is not a de Polignac number, because 4663641345 - 2¹ = 4663641343 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 4663641297 and 4663641306.

It is not an unprimeable number, because it can be changed into a prime (4663641343) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 610651 + ... + 618240.

It is an arithmetic number, because the mean of its divisors is an integer number (265440672).

Almost surely, 2^4663641345 is an apocalyptic number.

It is an amenable number.

4663641345 is a deficient number, since it is larger than the sum of its proper divisors (3830460159).

4663641345 is a wasteful number, since it uses less digits than its factorization.

4663641345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1228933.

The product of its digits is 622080, while the sum is 42.

The square root of 4663641345 is about 68290.8584292217. The cubic root of 4663641345 is about 1670.7381183807.

The spelling of 4663641345 in words is "four billion, six hundred sixty-three million, six hundred forty-one thousand, three hundred forty-five".