4544645064 has 16 divisors (see below), whose sum is σ = 11361612720. Its totient is φ = 1514881680.

The previous prime is 4544645059. The next prime is 4544645069. The reversal of 4544645064 is 4605464454.

It is an interprime number because it is at equal distance from previous prime (4544645059) and next prime (4544645069).

It is not an unprimeable number, because it can be changed into a prime (4544645069) 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, 94680082 + ... + 94680129.

It is an arithmetic number, because the mean of its divisors is an integer number (710100795).

Almost surely, 2^4544645064 is an apocalyptic number.

It is an amenable number.

4544645064 is an abundant number, since it is smaller than the sum of its proper divisors (6816967656).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4544645064 is a wasteful number, since it uses less digits than its factorization.

4544645064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 189360220 (or 189360216 counting only the distinct ones).

The product of its (nonzero) digits is 921600, while the sum is 42.

The square root of 4544645064 is about 67413.9827038872. The cubic root of 4544645064 is about 1656.4054731868.

The spelling of 4544645064 in words is "four billion, five hundred forty-four million, six hundred forty-five thousand, sixty-four".