6338945573 has 2 divisors, whose sum is σ = 6338945574. Its totient is φ = 6338945572.

The previous prime is 6338945563. The next prime is 6338945597. The reversal of 6338945573 is 3755498336.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5101102084 + 1237843489 = 71422^2 + 35183^2 .

It is a cyclic number.

It is not a de Polignac number, because 6338945573 - 2²⁶ = 6271836709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6338945563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3169472786 + 3169472787.

It is an arithmetic number, because the mean of its divisors is an integer number (3169472787).

Almost surely, 2^6338945573 is an apocalyptic number.

It is an amenable number.

6338945573 is a deficient number, since it is larger than the sum of its proper divisors (1).

6338945573 is an equidigital number, since it uses as much as digits as its factorization.

6338945573 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8164800, while the sum is 53.

The square root of 6338945573 is about 79617.4953951705. The cubic root of 6338945573 is about 1850.7127103464.

The spelling of 6338945573 in words is "six billion, three hundred thirty-eight million, nine hundred forty-five thousand, five hundred seventy-three".