4976543945 has 4 divisors (see below), whose sum is σ = 5971852740. Its totient is φ = 3981235152.

The previous prime is 4976543941. The next prime is 4976543947. The reversal of 4976543945 is 5493456794.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2652147001 + 2324396944 = 51499^2 + 48212^2 .

It is a cyclic number.

It is not a de Polignac number, because 4976543945 - 2² = 4976543941 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4976543941) 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, 497654390 + ... + 497654399.

It is an arithmetic number, because the mean of its divisors is an integer number (1492963185).

Almost surely, 2^4976543945 is an apocalyptic number.

It is an amenable number.

4976543945 is a deficient number, since it is larger than the sum of its proper divisors (995308795).

4976543945 is an equidigital number, since it uses as much as digits as its factorization.

4976543945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 995308794.

The product of its digits is 16329600, while the sum is 56.

The square root of 4976543945 is about 70544.6237852326. The cubic root of 4976543945 is about 1707.2978017293.

The spelling of 4976543945 in words is "four billion, nine hundred seventy-six million, five hundred forty-three thousand, nine hundred forty-five".