7426663522 has 16 divisors (see below), whose sum is σ = 11739442752. Its totient is φ = 3516713200.

The previous prime is 7426663511. The next prime is 7426663529. The reversal of 7426663522 is 2253666247.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (7426663529) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 794608 + ... + 803899.

It is an arithmetic number, because the mean of its divisors is an integer number (733715172).

Almost surely, 2^7426663522 is an apocalyptic number.

7426663522 is a deficient number, since it is larger than the sum of its proper divisors (4312779230).

7426663522 is a wasteful number, since it uses less digits than its factorization.

7426663522 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1598633.

The product of its digits is 725760, while the sum is 43.

The square root of 7426663522 is about 86178.0918911529. The cubic root of 7426663522 is about 1951.0328538412.

The spelling of 7426663522 in words is "seven billion, four hundred twenty-six million, six hundred sixty-three thousand, five hundred twenty-two".