2061709758 has 12 divisors (see below), whose sum is σ = 4467037848. Its totient is φ = 687236580.

The previous prime is 2061709709. The next prime is 2061709787. The reversal of 2061709758 is 8579071602.

2061709758 is a `hidden beast` number, since 20 + 617 + 0 + 9 + 7 + 5 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 57269698 + ... + 57269733.

It is an arithmetic number, because the mean of its divisors is an integer number (372253154).

Almost surely, 2^2061709758 is an apocalyptic number.

2061709758 is an abundant number, since it is smaller than the sum of its proper divisors (2405328090).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2061709758 is a wasteful number, since it uses less digits than its factorization.

2061709758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114539439 (or 114539436 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 45.

The square root of 2061709758 is about 45406.0541998531. The cubic root of 2061709758 is about 1272.7482507207.

The spelling of 2061709758 in words is "two billion, sixty-one million, seven hundred nine thousand, seven hundred fifty-eight".