4721825951 has 4 divisors (see below), whose sum is σ = 4729789152. Its totient is φ = 4713862752.

The previous prime is 4721825947. The next prime is 4721825959. The reversal of 4721825951 is 1595281274.

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

It is a cyclic number.

It is not a de Polignac number, because 4721825951 - 2² = 4721825947 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4721825959) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3980711 + ... + 3981896.

It is an arithmetic number, because the mean of its divisors is an integer number (1182447288).

Almost surely, 2^4721825951 is an apocalyptic number.

4721825951 is a deficient number, since it is larger than the sum of its proper divisors (7963201).

4721825951 is an equidigital number, since it uses as much as digits as its factorization.

4721825951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7963200.

The product of its digits is 201600, while the sum is 44.

The square root of 4721825951 is about 68715.5437364793. The cubic root of 4721825951 is about 1677.6575857253.

The spelling of 4721825951 in words is "four billion, seven hundred twenty-one million, eight hundred twenty-five thousand, nine hundred fifty-one".