4549838623 has 16 divisors (see below), whose sum is σ = 5137927200. Its totient is φ = 3991012480.

The previous prime is 4549838621. The next prime is 4549838677. The reversal of 4549838623 is 3268389454.

It is not a de Polignac number, because 4549838623 - 2¹ = 4549838621 is a prime.

It is a super-2 number, since 2×4549838623² = 41402062990685072258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4549838621) 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, 625773 + ... + 633001.

It is an arithmetic number, because the mean of its divisors is an integer number (321120450).

Almost surely, 2^4549838623 is an apocalyptic number.

4549838623 is a deficient number, since it is larger than the sum of its proper divisors (588088577).

4549838623 is a wasteful number, since it uses less digits than its factorization.

4549838623 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9242.

The product of its digits is 4976640, while the sum is 52.

The square root of 4549838623 is about 67452.4915996437. The cubic root of 4549838623 is about 1657.0362055849.

The spelling of 4549838623 in words is "four billion, five hundred forty-nine million, eight hundred thirty-eight thousand, six hundred twenty-three".