7742108913571 has 12 divisors (see below), whose sum is σ = 7824227979960. Its totient is φ = 7660839882720.

The previous prime is 7742108913559. The next prime is 7742108913673. The reversal of 7742108913571 is 1753198012477.

It is a de Polignac number, because none of the positive numbers 2^k-7742108913571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7742108913521) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 13066911 + ... + 13646551.

It is an arithmetic number, because the mean of its divisors is an integer number (652018998330).

Almost surely, 2^{7742108913571} is an apocalyptic number.

7742108913571 is a deficient number, since it is larger than the sum of its proper divisors (82119066389).

7742108913571 is a wasteful number, since it uses less digits than its factorization.

7742108913571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581106 (or 581003 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 55.

The spelling of 7742108913571 in words is "seven trillion, seven hundred forty-two billion, one hundred eight million, nine hundred thirteen thousand, five hundred seventy-one".