3049756661 has 8 divisors (see below), whose sum is σ = 3516281664. Its totient is φ = 2590943040.

The previous prime is 3049756607. The next prime is 3049756729. The reversal of 3049756661 is 1666579403.

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

It is not a de Polignac number, because 3049756661 - 2⁶ = 3049756597 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3049756601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1926995 + ... + 1928576.

It is an arithmetic number, because the mean of its divisors is an integer number (439535208).

Almost surely, 2^3049756661 is an apocalyptic number.

It is an amenable number.

3049756661 is a deficient number, since it is larger than the sum of its proper divisors (466525003).

3049756661 is a wasteful number, since it uses less digits than its factorization.

3049756661 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3855691.

The product of its (nonzero) digits is 816480, while the sum is 47.

The square root of 3049756661 is about 55224.6019542015. The cubic root of 3049756661 is about 1450.1793929454.

The spelling of 3049756661 in words is "three billion, forty-nine million, seven hundred fifty-six thousand, six hundred sixty-one".