4619720825 has 6 divisors (see below), whose sum is σ = 5728453854. Its totient is φ = 3695776640.

The previous prime is 4619720789. The next prime is 4619720837. The reversal of 4619720825 is 5280279164.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 517062121 + 4102658704 = 22739^2 + 64052^2 .

It is not a de Polignac number, because 4619720825 - 2¹² = 4619716729 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 92394392 + ... + 92394441.

It is an arithmetic number, because the mean of its divisors is an integer number (954742309).

Almost surely, 2^4619720825 is an apocalyptic number.

It is an amenable number.

4619720825 is a deficient number, since it is larger than the sum of its proper divisors (1108733029).

4619720825 is a wasteful number, since it uses less digits than its factorization.

4619720825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 184788843 (or 184788838 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 44.

The square root of 4619720825 is about 67968.5281950404. The cubic root of 4619720825 is about 1665.4767607877.

Adding to 4619720825 its reverse (5280279164), we get a palindrome (9899999989).

The spelling of 4619720825 in words is "four billion, six hundred nineteen million, seven hundred twenty thousand, eight hundred twenty-five".