2490988729 has 2 divisors, whose sum is σ = 2490988730. Its totient is φ = 2490988728.

The previous prime is 2490988651. The next prime is 2490988739. The reversal of 2490988729 is 9278890942.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2100847225 + 390141504 = 45835^2 + 19752^2 .

It is a cyclic number.

It is not a de Polignac number, because 2490988729 - 2¹¹ = 2490986681 is a prime.

It is not a weakly prime, because it can be changed into another prime (2490988739) 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, 1245494364 + 1245494365.

It is an arithmetic number, because the mean of its divisors is an integer number (1245494365).

Almost surely, 2^2490988729 is an apocalyptic number.

It is an amenable number.

2490988729 is a deficient number, since it is larger than the sum of its proper divisors (1).

2490988729 is an equidigital number, since it uses as much as digits as its factorization.

2490988729 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5225472, while the sum is 58.

The square root of 2490988729 is about 49909.8059403160. The cubic root of 2490988729 is about 1355.5761549024.

The spelling of 2490988729 in words is "two billion, four hundred ninety million, nine hundred eighty-eight thousand, seven hundred twenty-nine".