2002388549 has 32 divisors (see below), whose sum is σ = 2572492800. Its totient is φ = 1519197120.

The previous prime is 2002388543. The next prime is 2002388567. The reversal of 2002388549 is 9458832002.

It is not a de Polignac number, because 2002388549 - 2²⁰ = 2001339973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2002388543) 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, 111194 + ... + 127940.

It is an arithmetic number, because the mean of its divisors is an integer number (80390400).

Almost surely, 2^2002388549 is an apocalyptic number.

2002388549 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

2002388549 is a deficient number, since it is larger than the sum of its proper divisors (570104251).

2002388549 is a wasteful number, since it uses less digits than its factorization.

2002388549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16833.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 2002388549 is about 44748.0563711990. The cubic root of 2002388549 is about 1260.4224142196.

The spelling of 2002388549 in words is "two billion, two million, three hundred eighty-eight thousand, five hundred forty-nine".