6623526320613 has 48 divisors (see below), whose sum is σ = 9665384661504. Its totient is φ = 4370612631840.

The previous prime is 6623526320603. The next prime is 6623526320623. The reversal of 6623526320613 is 3160236253266.

6623526320613 is a `hidden beast` number, since 6 + 6 + 2 + 3 + 5 + 2 + 6 + 3 + 20 + 613 = 666.

It is an interprime number because it is at equal distance from previous prime (6623526320603) and next prime (6623526320623).

It is not a de Polignac number, because 6623526320613 - 2⁹ = 6623526320101 is a prime.

It is a super-2 number, since 2×6623526320613² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6623526320603) 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 47 ways as a sum of consecutive naturals, for example, 773501070 + ... + 773509632.

It is an arithmetic number, because the mean of its divisors is an integer number (201362180448).

Almost surely, 2^{6623526320613} is an apocalyptic number.

It is an amenable number.

6623526320613 is a deficient number, since it is larger than the sum of its proper divisors (3041858340891).

6623526320613 is a wasteful number, since it uses less digits than its factorization.

6623526320613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10326 (or 10323 counting only the distinct ones).

The product of its (nonzero) digits is 1399680, while the sum is 45.

The spelling of 6623526320613 in words is "six trillion, six hundred twenty-three billion, five hundred twenty-six million, three hundred twenty thousand, six hundred thirteen".