4619969545 has 4 divisors (see below), whose sum is σ = 5543963460. Its totient is φ = 3695975632.

The previous prime is 4619969531. The next prime is 4619969581. The reversal of 4619969545 is 5459699164.

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 1572598336 + 3047371209 = 39656^2 + 55203^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4619969545 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 4619969545.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 461996950 + ... + 461996959.

It is an arithmetic number, because the mean of its divisors is an integer number (1385990865).

Almost surely, 2^4619969545 is an apocalyptic number.

It is an amenable number.

4619969545 is a deficient number, since it is larger than the sum of its proper divisors (923993915).

4619969545 is an equidigital number, since it uses as much as digits as its factorization.

4619969545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 923993914.

The product of its digits is 10497600, while the sum is 58.

The square root of 4619969545 is about 67970.3578407529. The cubic root of 4619969545 is about 1665.5066493143.

The spelling of 4619969545 in words is "four billion, six hundred nineteen million, nine hundred sixty-nine thousand, five hundred forty-five".