2489777713 has 2 divisors, whose sum is σ = 2489777714. Its totient is φ = 2489777712.

The previous prime is 2489777711. The next prime is 2489777729. The reversal of 2489777713 is 3177779842.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2291728384 + 198049329 = 47872^2 + 14073^2 .

It is a cyclic number.

It is not a de Polignac number, because 2489777713 - 2¹ = 2489777711 is a prime.

Together with 2489777711, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2489777711) 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, 1244888856 + 1244888857.

It is an arithmetic number, because the mean of its divisors is an integer number (1244888857).

Almost surely, 2^2489777713 is an apocalyptic number.

It is an amenable number.

2489777713 is a deficient number, since it is larger than the sum of its proper divisors (1).

2489777713 is an equidigital number, since it uses as much as digits as its factorization.

2489777713 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4148928, while the sum is 55.

The square root of 2489777713 is about 49897.6724206651. The cubic root of 2489777713 is about 1355.3564442181.

The spelling of 2489777713 in words is "two billion, four hundred eighty-nine million, seven hundred seventy-seven thousand, seven hundred thirteen".