4649817873 has 4 divisors (see below), whose sum is σ = 6199757168. Its totient is φ = 3099878580.

The previous prime is 4649817869. The next prime is 4649817923. The reversal of 4649817873 is 3787189464.

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 not a de Polignac number, because 4649817873 - 2² = 4649817869 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4649817803) 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, 774969643 + ... + 774969648.

It is an arithmetic number, because the mean of its divisors is an integer number (1549939292).

Almost surely, 2^4649817873 is an apocalyptic number.

It is an amenable number.

4649817873 is a deficient number, since it is larger than the sum of its proper divisors (1549939295).

4649817873 is a wasteful number, since it uses less digits than its factorization.

4649817873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549939294.

The product of its digits is 8128512, while the sum is 57.

The square root of 4649817873 is about 68189.5730518970. The cubic root of 4649817873 is about 1669.0857430141.

The spelling of 4649817873 in words is "four billion, six hundred forty-nine million, eight hundred seventeen thousand, eight hundred seventy-three".