2749628946945 has 16 divisors (see below), whose sum is σ = 4400063986752. Its totient is φ = 1466249547840.

The previous prime is 2749628946929. The next prime is 2749628946949. The reversal of 2749628946945 is 5496498269472.

It is not a de Polignac number, because 2749628946945 - 2⁴ = 2749628946929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2749628946949) 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, 13597782 + ... + 13798511.

It is an arithmetic number, because the mean of its divisors is an integer number (275003999172).

Almost surely, 2^{2749628946945} is an apocalyptic number.

It is an amenable number.

2749628946945 is a deficient number, since it is larger than the sum of its proper divisors (1650435039807).

2749628946945 is a wasteful number, since it uses less digits than its factorization.

2749628946945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27402992.

The product of its digits is 1881169920, while the sum is 75.

The spelling of 2749628946945 in words is "two trillion, seven hundred forty-nine billion, six hundred twenty-eight million, nine hundred forty-six thousand, nine hundred forty-five".