6545432338 has 4 divisors (see below), whose sum is σ = 9818148510. Its totient is φ = 3272716168.

The previous prime is 6545432323. The next prime is 6545432339. The reversal of 6545432338 is 8332345456.

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

It can be written as a sum of positive squares in only one way, i.e., 3531092929 + 3014339409 = 59423^2 + 54903^2 .

It is a super-2 number, since 2×6545432338² = 85685368982672292488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6545432294 and 6545432303.

It is not an unprimeable number, because it can be changed into a prime (6545432339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1636358083 + ... + 1636358086.

Almost surely, 2^6545432338 is an apocalyptic number.

6545432338 is a deficient number, since it is larger than the sum of its proper divisors (3272716172).

6545432338 is a wasteful number, since it uses less digits than its factorization.

6545432338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3272716171.

The product of its digits is 1036800, while the sum is 43.

The square root of 6545432338 is about 80903.8462497303. The cubic root of 6545432338 is about 1870.5936077663.

The spelling of 6545432338 in words is "six billion, five hundred forty-five million, four hundred thirty-two thousand, three hundred thirty-eight".