6545432339 has 2 divisors, whose sum is σ = 6545432340. Its totient is φ = 6545432338.

The previous prime is 6545432323. The next prime is 6545432347. The reversal of 6545432339 is 9332345456.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 6545432339 - 2⁴ = 6545432323 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6545432339.

It is not a weakly prime, because it can be changed into another prime (6545422339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3272716169 + 3272716170.

It is an arithmetic number, because the mean of its divisors is an integer number (3272716170).

Almost surely, 2^6545432339 is an apocalyptic number.

6545432339 is a deficient number, since it is larger than the sum of its proper divisors (1).

6545432339 is an equidigital number, since it uses as much as digits as its factorization.

6545432339 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1166400, while the sum is 44.

The square root of 6545432339 is about 80903.8462559105. The cubic root of 6545432339 is about 1870.5936078616.

The spelling of 6545432339 in words is "six billion, five hundred forty-five million, four hundred thirty-two thousand, three hundred thirty-nine".