2745838128813 has 32 divisors (see below), whose sum is σ = 4002369474432. Its totient is φ = 1664201721600.

The previous prime is 2745838128811. The next prime is 2745838128821. The reversal of 2745838128813 is 3188218385472.

It is not a de Polignac number, because 2745838128813 - 2¹ = 2745838128811 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745838128811) 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, 13647123 + ... + 13846863.

It is an arithmetic number, because the mean of its divisors is an integer number (125074046076).

Almost surely, 2^{2745838128813} is an apocalyptic number.

It is an amenable number.

2745838128813 is a deficient number, since it is larger than the sum of its proper divisors (1256531345619).

2745838128813 is a wasteful number, since it uses less digits than its factorization.

2745838128813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205085.

The product of its digits is 20643840, while the sum is 60.

The spelling of 2745838128813 in words is "two trillion, seven hundred forty-five billion, eight hundred thirty-eight million, one hundred twenty-eight thousand, eight hundred thirteen".