2741889490681 has 4 divisors (see below), whose sum is σ = 2991152171664. Its totient is φ = 2492626809700.

The previous prime is 2741889490663. The next prime is 2741889490693. The reversal of 2741889490681 is 1860949881472.

2741889490681 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2741889490681 - 2⁹ = 2741889490169 is a prime.

It is a super-2 number, since 2×2741889490681² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2741889490621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 124631340475 + ... + 124631340496.

It is an arithmetic number, because the mean of its divisors is an integer number (747788042916).

Almost surely, 2^{2741889490681} is an apocalyptic number.

It is an amenable number.

2741889490681 is a deficient number, since it is larger than the sum of its proper divisors (249262680983).

2741889490681 is a wasteful number, since it uses less digits than its factorization.

2741889490681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249262680982.

The product of its (nonzero) digits is 55738368, while the sum is 67.

The spelling of 2741889490681 in words is "two trillion, seven hundred forty-one billion, eight hundred eighty-nine million, four hundred ninety thousand, six hundred eighty-one".