2681307758 has 16 divisors (see below), whose sum is σ = 4089178080. Its totient is φ = 1318346400.

The previous prime is 2681307743. The next prime is 2681307793. The reversal of 2681307758 is 8577031862.

It is a happy number.

It is a super-2 number, since 2×2681307758² = 14378822586221973128, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30968 + ... + 79508.

It is an arithmetic number, because the mean of its divisors is an integer number (255573630).

Almost surely, 2^2681307758 is an apocalyptic number.

2681307758 is a deficient number, since it is larger than the sum of its proper divisors (1407870322).

2681307758 is a wasteful number, since it uses less digits than its factorization.

2681307758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49003.

The product of its (nonzero) digits is 564480, while the sum is 47.

The square root of 2681307758 is about 51781.3456565200. The cubic root of 2681307758 is about 1389.2558095656.

The spelling of 2681307758 in words is "two billion, six hundred eighty-one million, three hundred seven thousand, seven hundred fifty-eight".