2489729743 has 2 divisors, whose sum is σ = 2489729744. Its totient is φ = 2489729742.

The previous prime is 2489729677. The next prime is 2489729761. The reversal of 2489729743 is 3479279842.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2489729743 - 2¹³ = 2489721551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2489729773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1244864871 + 1244864872.

It is an arithmetic number, because the mean of its divisors is an integer number (1244864872).

Almost surely, 2^2489729743 is an apocalyptic number.

2489729743 is a deficient number, since it is larger than the sum of its proper divisors (1).

2489729743 is an equidigital number, since it uses as much as digits as its factorization.

2489729743 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6096384, while the sum is 55.

The square root of 2489729743 is about 49897.1917346057. The cubic root of 2489729743 is about 1355.3477397106.

The spelling of 2489729743 in words is "two billion, four hundred eighty-nine million, seven hundred twenty-nine thousand, seven hundred forty-three".