7742353471121 has 4 divisors (see below), whose sum is σ = 7873579801200. Its totient is φ = 7611127141044.

The previous prime is 7742353471109. The next prime is 7742353471207. The reversal of 7742353471121 is 1211743532477.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7742353471121 - 2⁴² = 3344306960017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7742353431121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 65613164951 + ... + 65613165068.

It is an arithmetic number, because the mean of its divisors is an integer number (1968394950300).

Almost surely, 2^{7742353471121} is an apocalyptic number.

It is an amenable number.

7742353471121 is a deficient number, since it is larger than the sum of its proper divisors (131226330079).

7742353471121 is a wasteful number, since it uses less digits than its factorization.

7742353471121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131226330078.

The product of its digits is 987840, while the sum is 47.

The spelling of 7742353471121 in words is "seven trillion, seven hundred forty-two billion, three hundred fifty-three million, four hundred seventy-one thousand, one hundred twenty-one".