6623636023426 has 8 divisors (see below), whose sum is σ = 10037881396620. Its totient is φ = 3277675557888.

The previous prime is 6623636023379. The next prime is 6623636023427. The reversal of 6623636023426 is 6243206363266.

It can be written as a sum of positive squares in 2 ways, for example, as 6292326419401 + 331309604025 = 2508451^2 + 575595^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6623636023426.

It is not an unprimeable number, because it can be changed into a prime (6623636023427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17071226671 + ... + 17071227058.

Almost surely, 2^{6623636023426} is an apocalyptic number.

6623636023426 is a deficient number, since it is larger than the sum of its proper divisors (3414245373194).

6623636023426 is a wasteful number, since it uses less digits than its factorization.

6623636023426 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34142453828.

The product of its (nonzero) digits is 6718464, while the sum is 49.

The spelling of 6623636023426 in words is "six trillion, six hundred twenty-three billion, six hundred thirty-six million, twenty-three thousand, four hundred twenty-six".