2745668123349 has 32 divisors (see below), whose sum is σ = 3826265094144. Its totient is φ = 1749683799360.

The previous prime is 2745668123333. The next prime is 2745668123371. The reversal of 2745668123349 is 9433218665472.

It is not a de Polignac number, because 2745668123349 - 2⁴ = 2745668123333 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2745668123292 and 2745668123301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2745668123389) 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, 1614792 + ... + 2845854.

It is an arithmetic number, because the mean of its divisors is an integer number (119570784192).

Almost surely, 2^{2745668123349} is an apocalyptic number.

It is an amenable number.

2745668123349 is a deficient number, since it is larger than the sum of its proper divisors (1080596970795).

2745668123349 is a wasteful number, since it uses less digits than its factorization.

2745668123349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231457.

The product of its digits is 52254720, while the sum is 60.

The spelling of 2745668123349 in words is "two trillion, seven hundred forty-five billion, six hundred sixty-eight million, one hundred twenty-three thousand, three hundred forty-nine".