4276975621 has 4 divisors (see below), whose sum is σ = 4281820192. Its totient is φ = 4272131052.

The previous prime is 4276975597. The next prime is 4276975643. The reversal of 4276975621 is 1265796724.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-4276975621 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 (4276975121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2420961 + ... + 2422726.

It is an arithmetic number, because the mean of its divisors is an integer number (1070455048).

Almost surely, 2^4276975621 is an apocalyptic number.

It is an amenable number.

4276975621 is a deficient number, since it is larger than the sum of its proper divisors (4844571).

4276975621 is an equidigital number, since it uses as much as digits as its factorization.

4276975621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4844570.

The product of its digits is 1270080, while the sum is 49.

The square root of 4276975621 is about 65398.5903594259. The cubic root of 4276975621 is about 1623.2257553114.

The spelling of 4276975621 in words is "four billion, two hundred seventy-six million, nine hundred seventy-five thousand, six hundred twenty-one".