7638222768503 has 4 divisors (see below), whose sum is σ = 7662626036448. Its totient is φ = 7613819500560.

The previous prime is 7638222768479. The next prime is 7638222768557. The reversal of 7638222768503 is 3058672228367.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 7638222768503 - 2⁶ = 7638222768439 is a prime.

It is a super-2 number, since 2×7638222768503² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7638222767503) 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 3 ways as a sum of consecutive naturals, for example, 12201633503 + ... + 12201634128.

It is an arithmetic number, because the mean of its divisors is an integer number (1915656509112).

Almost surely, 2^{7638222768503} is an apocalyptic number.

7638222768503 is a deficient number, since it is larger than the sum of its proper divisors (24403267945).

7638222768503 is a wasteful number, since it uses less digits than its factorization.

7638222768503 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24403267944.

The product of its (nonzero) digits is 40642560, while the sum is 59.

The spelling of 7638222768503 in words is "seven trillion, six hundred thirty-eight billion, two hundred twenty-two million, seven hundred sixty-eight thousand, five hundred three".