2488915021 has 2 divisors, whose sum is σ = 2488915022. Its totient is φ = 2488915020.

The previous prime is 2488915003. The next prime is 2488915043. The reversal of 2488915021 is 1205198842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2447775625 + 41139396 = 49475^2 + 6414^2 .

It is a cyclic number.

It is not a de Polignac number, because 2488915021 - 2¹¹ = 2488912973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2488912021) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1244457510 + 1244457511.

It is an arithmetic number, because the mean of its divisors is an integer number (1244457511).

Almost surely, 2^2488915021 is an apocalyptic number.

It is an amenable number.

2488915021 is a deficient number, since it is larger than the sum of its proper divisors (1).

2488915021 is an equidigital number, since it uses as much as digits as its factorization.

2488915021 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 40.

The square root of 2488915021 is about 49889.0270600660. The cubic root of 2488915021 is about 1355.1998853644.

The spelling of 2488915021 in words is "two billion, four hundred eighty-eight million, nine hundred fifteen thousand, twenty-one".