2141756969678 has 16 divisors (see below), whose sum is σ = 3232010212704. Its totient is φ = 1064420777760.

The previous prime is 2141756969663. The next prime is 2141756969701. The reversal of 2141756969678 is 8769696571412.

It is a super-2 number, since 2×2141756969678² (a number of 25 digits) 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 (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8559668 + ... + 8806328.

It is an arithmetic number, because the mean of its divisors is an integer number (202000638294).

Almost surely, 2^{2141756969678} is an apocalyptic number.

2141756969678 is a deficient number, since it is larger than the sum of its proper divisors (1090253243026).

2141756969678 is a wasteful number, since it uses less digits than its factorization.

2141756969678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 272827.

The product of its digits is 274337280, while the sum is 71.

The spelling of 2141756969678 in words is "two trillion, one hundred forty-one billion, seven hundred fifty-six million, nine hundred sixty-nine thousand, six hundred seventy-eight".