2489875321 has 2 divisors, whose sum is σ = 2489875322. Its totient is φ = 2489875320.

The previous prime is 2489875307. The next prime is 2489875351. The reversal of 2489875321 is 1235789842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2453815296 + 36060025 = 49536^2 + 6005^2 .

It is a cyclic number.

It is not a de Polignac number, because 2489875321 - 2²⁹ = 1953004409 is a prime.

It is a super-2 number, since 2×2489875321² = 12398958228249706082, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2489875351) 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 as a sum of consecutive naturals, namely, 1244937660 + 1244937661.

It is an arithmetic number, because the mean of its divisors is an integer number (1244937661).

Almost surely, 2^2489875321 is an apocalyptic number.

It is an amenable number.

2489875321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2489875321 is an equidigital number, since it uses as much as digits as its factorization.

2489875321 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 967680, while the sum is 49.

The square root of 2489875321 is about 49898.6504927739. The cubic root of 2489875321 is about 1355.3741555586.

The spelling of 2489875321 in words is "two billion, four hundred eighty-nine million, eight hundred seventy-five thousand, three hundred twenty-one".