630260272021 has 2 divisors, whose sum is σ = 630260272022. Its totient is φ = 630260272020.

The previous prime is 630260271947. The next prime is 630260272051. The reversal of 630260272021 is 120272062036.

630260272021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 335688136996 + 294572135025 = 579386^2 + 542745^2 .

It is a cyclic number.

It is not a de Polignac number, because 630260272021 - 2¹⁵ = 630260239253 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (630260272051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 315130136010 + 315130136011.

It is an arithmetic number, because the mean of its divisors is an integer number (315130136011).

Almost surely, 2^630260272021 is an apocalyptic number.

It is an amenable number.

630260272021 is a deficient number, since it is larger than the sum of its proper divisors (1).

630260272021 is an equidigital number, since it uses as much as digits as its factorization.

630260272021 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 31.

The spelling of 630260272021 in words is "six hundred thirty billion, two hundred sixty million, two hundred seventy-two thousand, twenty-one".