6421364713 has 4 divisors (see below), whose sum is σ = 6421571460. Its totient is φ = 6421157968.

The previous prime is 6421364671. The next prime is 6421364717. The reversal of 6421364713 is 3174631246.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2206368784 + 4214995929 = 46972^2 + 64923^2 .

It is a cyclic number.

It is not a de Polignac number, because 6421364713 - 2¹³ = 6421356521 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6421364717) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46270 + ... + 122407.

It is an arithmetic number, because the mean of its divisors is an integer number (1605392865).

Almost surely, 2^6421364713 is an apocalyptic number.

It is an amenable number.

6421364713 is a deficient number, since it is larger than the sum of its proper divisors (206747).

6421364713 is a wasteful number, since it uses less digits than its factorization.

6421364713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206746.

The product of its digits is 72576, while the sum is 37.

The square root of 6421364713 is about 80133.4182036434. The cubic root of 6421364713 is about 1858.6992015854.

Adding to 6421364713 its reverse (3174631246), we get a palindrome (9595995959).

The spelling of 6421364713 in words is "six billion, four hundred twenty-one million, three hundred sixty-four thousand, seven hundred thirteen".