4832972021 has 2 divisors, whose sum is σ = 4832972022. Its totient is φ = 4832972020.

The previous prime is 4832972017. The next prime is 4832972063. The reversal of 4832972021 is 1202792384.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3319372996 + 1513599025 = 57614^2 + 38905^2 .

It is a cyclic number.

It is not a de Polignac number, because 4832972021 - 2² = 4832972017 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4832902021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2416486010 + 2416486011.

It is an arithmetic number, because the mean of its divisors is an integer number (2416486011).

Almost surely, 2^4832972021 is an apocalyptic number.

It is an amenable number.

4832972021 is a deficient number, since it is larger than the sum of its proper divisors (1).

4832972021 is an equidigital number, since it uses as much as digits as its factorization.

4832972021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 4832972021 is about 69519.5801267528. The cubic root of 4832972021 is about 1690.7189757377.

The spelling of 4832972021 in words is "four billion, eight hundred thirty-two million, nine hundred seventy-two thousand, twenty-one".