4725513889 has 2 divisors, whose sum is σ = 4725513890. Its totient is φ = 4725513888.

The previous prime is 4725513869. The next prime is 4725513911. The reversal of 4725513889 is 9883155274.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4626312289 + 99201600 = 68017^2 + 9960^2 .

It is a cyclic number.

It is not a de Polignac number, because 4725513889 - 2¹¹ = 4725511841 is a prime.

It is not a weakly prime, because it can be changed into another prime (4725513839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2362756944 + 2362756945.

It is an arithmetic number, because the mean of its divisors is an integer number (2362756945).

Almost surely, 2^4725513889 is an apocalyptic number.

It is an amenable number.

4725513889 is a deficient number, since it is larger than the sum of its proper divisors (1).

4725513889 is an equidigital number, since it uses as much as digits as its factorization.

4725513889 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2419200, while the sum is 52.

The square root of 4725513889 is about 68742.3733151540. The cubic root of 4725513889 is about 1678.0942449847.

The spelling of 4725513889 in words is "four billion, seven hundred twenty-five million, five hundred thirteen thousand, eight hundred eighty-nine".