4925720609 has 4 divisors (see below), whose sum is σ = 4927279104. Its totient is φ = 4924162116.

The previous prime is 4925720599. The next prime is 4925720623. The reversal of 4925720609 is 9060275294.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4925720609 - 2⁴ = 4925720593 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4925720609.

It is not an unprimeable number, because it can be changed into a prime (4925720809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 774497 + ... + 780830.

It is an arithmetic number, because the mean of its divisors is an integer number (1231819776).

Almost surely, 2^4925720609 is an apocalyptic number.

It is an amenable number.

4925720609 is a deficient number, since it is larger than the sum of its proper divisors (1558495).

4925720609 is a wasteful number, since it uses less digits than its factorization.

4925720609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1558494.

The product of its (nonzero) digits is 272160, while the sum is 44.

The square root of 4925720609 is about 70183.4781768473. The cubic root of 4925720609 is about 1701.4659338113.

The spelling of 4925720609 in words is "four billion, nine hundred twenty-five million, seven hundred twenty thousand, six hundred nine".