4643161620243 has 4 divisors (see below), whose sum is σ = 6190882160328. Its totient is φ = 3095441080160.

The previous prime is 4643161620233. The next prime is 4643161620373. The reversal of 4643161620243 is 3420261613464.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4643161620243 - 2⁶ = 4643161620179 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4643161620195 and 4643161620204.

It is not an unprimeable number, because it can be changed into a prime (4643161620203) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 773860270038 + ... + 773860270043.

It is an arithmetic number, because the mean of its divisors is an integer number (1547720540082).

Almost surely, 2^{4643161620243} is an apocalyptic number.

4643161620243 is a deficient number, since it is larger than the sum of its proper divisors (1547720540085).

4643161620243 is a wasteful number, since it uses less digits than its factorization.

4643161620243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1547720540084.

The product of its (nonzero) digits is 497664, while the sum is 42.

The spelling of 4643161620243 in words is "four trillion, six hundred forty-three billion, one hundred sixty-one million, six hundred twenty thousand, two hundred forty-three".