2489061879 has 16 divisors (see below), whose sum is σ = 3733027040. Its totient is φ = 1659373128.

The previous prime is 2489061853. The next prime is 2489061901. The reversal of 2489061879 is 9781609842.

2489061879 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2489061879 - 2²³ = 2480673271 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 (2489061479) 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, 566872 + ... + 571245.

It is an arithmetic number, because the mean of its divisors is an integer number (233314190).

Almost surely, 2^2489061879 is an apocalyptic number.

2489061879 is a deficient number, since it is larger than the sum of its proper divisors (1243965161).

2489061879 is an frugal number, since it uses more digits than its factorization.

2489061879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138138 (or 1138120 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The square root of 2489061879 is about 49890.4988850583. The cubic root of 2489061879 is about 1355.2265392850.

The spelling of 2489061879 in words is "two billion, four hundred eighty-nine million, sixty-one thousand, eight hundred seventy-nine".