4539473445 has 64 divisors (see below), whose sum is σ = 8356884480. Its totient is φ = 2085481728.

The previous prime is 4539473429. The next prime is 4539473447. The reversal of 4539473445 is 5443749354.

It is a happy number.

It is not a de Polignac number, because 4539473445 - 2⁴ = 4539473429 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4539473394 and 4539473403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4539473447) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 239092 + ... + 257378.

It is an arithmetic number, because the mean of its divisors is an integer number (130576320).

Almost surely, 2^4539473445 is an apocalyptic number.

It is an amenable number.

4539473445 is a deficient number, since it is larger than the sum of its proper divisors (3817411035).

4539473445 is a wasteful number, since it uses less digits than its factorization.

4539473445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18394.

The product of its digits is 3628800, while the sum is 48.

The square root of 4539473445 is about 67375.6146168627. The cubic root of 4539473445 is about 1655.7769276263.

The spelling of 4539473445 in words is "four billion, five hundred thirty-nine million, four hundred seventy-three thousand, four hundred forty-five".