4325777021 has 4 divisors (see below), whose sum is σ = 4330178592. Its totient is φ = 4321375452.

The previous prime is 4325776999. The next prime is 4325777039. The reversal of 4325777021 is 1207775234.

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 4325777021 - 2¹⁰ = 4325775997 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 (4325777051) 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, 2199311 + ... + 2201276.

It is an arithmetic number, because the mean of its divisors is an integer number (1082544648).

Almost surely, 2^4325777021 is an apocalyptic number.

It is an amenable number.

4325777021 is a deficient number, since it is larger than the sum of its proper divisors (4401571).

4325777021 is an equidigital number, since it uses as much as digits as its factorization.

4325777021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4401570.

The product of its (nonzero) digits is 82320, while the sum is 38.

The square root of 4325777021 is about 65770.6395057856. The cubic root of 4325777021 is about 1629.3762302682.

The spelling of 4325777021 in words is "four billion, three hundred twenty-five million, seven hundred seventy-seven thousand, twenty-one".