6368526913 has 24 divisors (see below), whose sum is σ = 8009001600. Its totient is φ = 5031639648.

The previous prime is 6368526907. The next prime is 6368526917. The reversal of 6368526913 is 3196258636.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-6368526913 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is not an unprimeable number, because it can be changed into a prime (6368526917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 57993 + ... + 126886.

It is an arithmetic number, because the mean of its divisors is an integer number (333708400).

Almost surely, 2^6368526913 is an apocalyptic number.

It is an amenable number.

6368526913 is a deficient number, since it is larger than the sum of its proper divisors (1640474687).

6368526913 is a wasteful number, since it uses less digits than its factorization.

6368526913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184949 (or 184942 counting only the distinct ones).

The product of its digits is 1399680, while the sum is 49.

The square root of 6368526913 is about 79803.0507750174. The cubic root of 6368526913 is about 1853.5870907012.

The spelling of 6368526913 in words is "six billion, three hundred sixty-eight million, five hundred twenty-six thousand, nine hundred thirteen".