6339545672 has 16 divisors (see below), whose sum is σ = 11973414060. Its totient is φ = 3146635264.

The previous prime is 6339545671. The next prime is 6339545699. The reversal of 6339545672 is 2765459336.

It can be written as a sum of positive squares in 2 ways, for example, as 5345656996 + 993888676 = 73114^2 + 31526^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 6339545672.

It is not an unprimeable number, because it can be changed into a prime (6339545671) 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, 2891033 + ... + 2893224.

Almost surely, 2^6339545672 is an apocalyptic number.

It is an amenable number.

6339545672 is a deficient number, since it is larger than the sum of its proper divisors (5633868388).

6339545672 is a wasteful number, since it uses less digits than its factorization.

6339545672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5784400 (or 5784396 counting only the distinct ones).

The product of its digits is 4082400, while the sum is 50.

The square root of 6339545672 is about 79621.2639437481. The cubic root of 6339545672 is about 1850.7711099540.

The spelling of 6339545672 in words is "six billion, three hundred thirty-nine million, five hundred forty-five thousand, six hundred seventy-two".