2749327061 has 4 divisors (see below), whose sum is σ = 2960813772. Its totient is φ = 2537840352.

The previous prime is 2749327043. The next prime is 2749327073. The reversal of 2749327061 is 1607239472.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1423930225 + 1325396836 = 37735^2 + 36406^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2749327061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2749327001) 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, 105743336 + ... + 105743361.

It is an arithmetic number, because the mean of its divisors is an integer number (740203443).

Almost surely, 2^2749327061 is an apocalyptic number.

It is an amenable number.

2749327061 is a deficient number, since it is larger than the sum of its proper divisors (211486711).

2749327061 is a wasteful number, since it uses less digits than its factorization.

2749327061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 211486710.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 2749327061 is about 52434.0257943256. The cubic root of 2749327061 is about 1400.9053771234.

The spelling of 2749327061 in words is "two billion, seven hundred forty-nine million, three hundred twenty-seven thousand, sixty-one".