2620416049 has 2 divisors, whose sum is σ = 2620416050. Its totient is φ = 2620416048.

The previous prime is 2620416047. The next prime is 2620416107. The reversal of 2620416049 is 9406140262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1553936400 + 1066479649 = 39420^2 + 32657^2 .

It is a cyclic number.

It is not a de Polignac number, because 2620416049 - 2¹ = 2620416047 is a prime.

Together with 2620416047, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (2620416047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1310208024 + 1310208025.

It is an arithmetic number, because the mean of its divisors is an integer number (1310208025).

Almost surely, 2^2620416049 is an apocalyptic number.

It is an amenable number.

2620416049 is a deficient number, since it is larger than the sum of its proper divisors (1).

2620416049 is an equidigital number, since it uses as much as digits as its factorization.

2620416049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20736, while the sum is 34.

The square root of 2620416049 is about 51189.9995018558. Note that the first 3 decimals coincide. The cubic root of 2620416049 is about 1378.6586506074.

The spelling of 2620416049 in words is "two billion, six hundred twenty million, four hundred sixteen thousand, forty-nine".