7447103771442 has 48 divisors (see below), whose sum is σ = 15183143871168. Its totient is φ = 2435111864640.

The previous prime is 7447103771381. The next prime is 7447103771449. The reversal of 7447103771442 is 2441773017447.

It is not an unprimeable number, because it can be changed into a prime (7447103771449) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 106870092 + ... + 106939752.

It is an arithmetic number, because the mean of its divisors is an integer number (316315497316).

Almost surely, 2^{7447103771442} is an apocalyptic number.

7447103771442 is an abundant number, since it is smaller than the sum of its proper divisors (7736040099726).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7447103771442 is a wasteful number, since it uses less digits than its factorization.

7447103771442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76115 (or 76062 counting only the distinct ones).

The product of its (nonzero) digits is 3687936, while the sum is 51.

Adding to 7447103771442 its reverse (2441773017447), we get a palindrome (9888876788889).

The spelling of 7447103771442 in words is "seven trillion, four hundred forty-seven billion, one hundred three million, seven hundred seventy-one thousand, four hundred forty-two".