2489068708861 has 12 divisors (see below), whose sum is σ = 2895603168060. Its totient is φ = 2133372595200.

The previous prime is 2489068708811. The next prime is 2489068708961. The reversal of 2489068708861 is 1688078609842.

It can be written as a sum of positive squares in 2 ways, for example, as 755978080900 + 1733090627961 = 869470^2 + 1316469^2 .

It is not a de Polignac number, because 2489068708861 - 2⁷ = 2489068708733 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 (2489068708811) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 441796 + ... + 2274493.

It is an arithmetic number, because the mean of its divisors is an integer number (241300264005).

Almost surely, 2^{2489068708861} is an apocalyptic number.

It is an amenable number.

2489068708861 is a deficient number, since it is larger than the sum of its proper divisors (406534459199).

2489068708861 is a wasteful number, since it uses less digits than its factorization.

2489068708861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2735004 (or 2734997 counting only the distinct ones).

The product of its (nonzero) digits is 74317824, while the sum is 67.

The spelling of 2489068708861 in words is "two trillion, four hundred eighty-nine billion, sixty-eight million, seven hundred eight thousand, eight hundred sixty-one".