2749492061 has 8 divisors (see below), whose sum is σ = 2757343680. Its totient is φ = 2741650912.

The previous prime is 2749492007. The next prime is 2749492129. The reversal of 2749492061 is 1602949472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2749492061 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 (2749495061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1006145 + ... + 1008873.

It is an arithmetic number, because the mean of its divisors is an integer number (344667960).

Almost surely, 2^2749492061 is an apocalyptic number.

It is an amenable number.

2749492061 is a deficient number, since it is larger than the sum of its proper divisors (7851619).

2749492061 is a wasteful number, since it uses less digits than its factorization.

2749492061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5235.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 2749492061 is about 52435.5991765137. The cubic root of 2749492061 is about 1400.9334015281.

The spelling of 2749492061 in words is "two billion, seven hundred forty-nine million, four hundred ninety-two thousand, sixty-one".