6321500306413 has 16 divisors (see below), whose sum is σ = 6561161256960. Its totient is φ = 6084088617600.

The previous prime is 6321500306377. The next prime is 6321500306479. The reversal of 6321500306413 is 3146030051236.

It is a cyclic number.

It is not a de Polignac number, because 6321500306413 - 2¹³ = 6321500298221 is a prime.

It is a super-2 number, since 2×6321500306413² (a number of 26 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 (6321500306483) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (31) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24913681 + ... + 25166137.

It is an arithmetic number, because the mean of its divisors is an integer number (410072578560).

Almost surely, 2^{6321500306413} is an apocalyptic number.

It is an amenable number.

6321500306413 is a deficient number, since it is larger than the sum of its proper divisors (239660950547).

6321500306413 is a wasteful number, since it uses less digits than its factorization.

6321500306413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 256908.

The product of its (nonzero) digits is 38880, while the sum is 34.

Adding to 6321500306413 its reverse (3146030051236), we get a palindrome (9467530357649).

The spelling of 6321500306413 in words is "six trillion, three hundred twenty-one billion, five hundred million, three hundred six thousand, four hundred thirteen".