2140667043791 has 8 divisors (see below), whose sum is σ = 2155986105360. Its totient is φ = 2125391565312.

The previous prime is 2140667043761. The next prime is 2140667043797. The reversal of 2140667043791 is 1973407660412.

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

It is a cyclic number.

It is not a de Polignac number, because 2140667043791 - 2⁶ = 2140667043727 is a prime.

It is a super-2 number, since 2×2140667043791² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2140667043797) 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, 10797185 + ... + 10993658.

It is an arithmetic number, because the mean of its divisors is an integer number (269498263170).

Almost surely, 2^{2140667043791} is an apocalyptic number.

2140667043791 is a deficient number, since it is larger than the sum of its proper divisors (15319061569).

2140667043791 is a wasteful number, since it uses less digits than its factorization.

2140667043791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21791545.

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 2140667043791 in words is "two trillion, one hundred forty billion, six hundred sixty-seven million, forty-three thousand, seven hundred ninety-one".