2749204485 has 12 divisors (see below), whose sum is σ = 4765287852. Its totient is φ = 1466242368.

The previous prime is 2749204481. The next prime is 2749204489. The reversal of 2749204485 is 5844029472.

It is an interprime number because it is at equal distance from previous prime (2749204481) and next prime (2749204489).

It can be written as a sum of positive squares in 2 ways, for example, as 876219201 + 1872985284 = 29601^2 + 43278^2 .

It is not a de Polignac number, because 2749204485 - 2² = 2749204481 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45), and also a Moran number because the ratio is a prime number: 61093433 = 2749204485 / (2 + 7 + 4 + 9 + 2 + 0 + 4 + 4 + 8 + 5).

It is a self number, because there is not a number n which added to its sum of digits gives 2749204485.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2749204481) 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, 30546672 + ... + 30546761.

It is an arithmetic number, because the mean of its divisors is an integer number (397107321).

Almost surely, 2^2749204485 is an apocalyptic number.

It is an amenable number.

2749204485 is a deficient number, since it is larger than the sum of its proper divisors (2016083367).

2749204485 is a wasteful number, since it uses less digits than its factorization.

2749204485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61093444 (or 61093441 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 2749204485 is about 52432.8569219721. The cubic root of 2749204485 is about 1400.8845574918.

The spelling of 2749204485 in words is "two billion, seven hundred forty-nine million, two hundred four thousand, four hundred eighty-five".