2002449889 has 8 divisors (see below), whose sum is σ = 2199153600. Its totient is φ = 1808190000.

The previous prime is 2002449871. The next prime is 2002449901. The reversal of 2002449889 is 9889442002.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2002449889 - 2¹⁵ = 2002417121 is a prime.

It is a super-2 number, since 2×2002449889² = 8019611115912224642, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2002449809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 609237 + ... + 612514.

It is an arithmetic number, because the mean of its divisors is an integer number (274894200).

Almost surely, 2^2002449889 is an apocalyptic number.

It is an amenable number.

2002449889 is a deficient number, since it is larger than the sum of its proper divisors (196703711).

2002449889 is a wasteful number, since it uses less digits than its factorization.

2002449889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1221911.

The product of its (nonzero) digits is 331776, while the sum is 46.

The square root of 2002449889 is about 44748.7417588473. The cubic root of 2002449889 is about 1260.4352844359.

The spelling of 2002449889 in words is "two billion, two million, four hundred forty-nine thousand, eight hundred eighty-nine".