7748448542373 has 24 divisors (see below), whose sum is σ = 12978117673024. Its totient is φ = 4025168072640.

The previous prime is 7748448542293. The next prime is 7748448542383. The reversal of 7748448542373 is 3732458448477.

It is a happy number.

It is not a de Polignac number, because 7748448542373 - 2¹² = 7748448538277 is a prime.

It is a super-2 number, since 2×7748448542373² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7748448542383) 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, 1524682336 + ... + 1524687417.

Almost surely, 2^{7748448542373} is an apocalyptic number.

It is an amenable number.

7748448542373 is a deficient number, since it is larger than the sum of its proper divisors (5229669130651).

7748448542373 is a wasteful number, since it uses less digits than its factorization.

7748448542373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3049369785 (or 3049369774 counting only the distinct ones).

The product of its digits is 505774080, while the sum is 66.

The spelling of 7748448542373 in words is "seven trillion, seven hundred forty-eight billion, four hundred forty-eight million, five hundred forty-two thousand, three hundred seventy-three".