4866643049 has 4 divisors (see below), whose sum is σ = 4889707920. Its totient is φ = 4843578180.

The previous prime is 4866643043. The next prime is 4866643073. The reversal of 4866643049 is 9403466684.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4866643049 - 2²⁴ = 4849865833 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4866642988 and 4866643006.

It is not an unprimeable number, because it can be changed into a prime (4866643043) 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, 11532119 + ... + 11532540.

It is an arithmetic number, because the mean of its divisors is an integer number (1222426980).

Almost surely, 2^4866643049 is an apocalyptic number.

It is an amenable number.

4866643049 is a deficient number, since it is larger than the sum of its proper divisors (23064871).

4866643049 is a wasteful number, since it uses less digits than its factorization.

4866643049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23064870.

The product of its (nonzero) digits is 2985984, while the sum is 50.

The square root of 4866643049 is about 69761.3291802844. The cubic root of 4866643049 is about 1694.6362720260.

The spelling of 4866643049 in words is "four billion, eight hundred sixty-six million, six hundred forty-three thousand, forty-nine".