7042266731871 has 40 divisors (see below), whose sum is σ = 12030167473280. Its totient is φ = 4021678534032.

The previous prime is 7042266731869. The next prime is 7042266731891. The reversal of 7042266731871 is 1781376622407.

7042266731871 is a `hidden beast` number, since 70 + 422 + 6 + 6 + 73 + 1 + 87 + 1 = 666.

It is not a de Polignac number, because 7042266731871 - 2¹ = 7042266731869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7042266731821) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2894401 + ... + 4739418.

It is an arithmetic number, because the mean of its divisors is an integer number (300754186832).

Almost surely, 2^{7042266731871} is an apocalyptic number.

7042266731871 is a deficient number, since it is larger than the sum of its proper divisors (4987900741409).

7042266731871 is a wasteful number, since it uses less digits than its factorization.

7042266731871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7635465 (or 7635456 counting only the distinct ones).

The product of its (nonzero) digits is 4741632, while the sum is 54.

The spelling of 7042266731871 in words is "seven trillion, forty-two billion, two hundred sixty-six million, seven hundred thirty-one thousand, eight hundred seventy-one".