2540770829 has 2 divisors, whose sum is σ = 2540770830. Its totient is φ = 2540770828.

The previous prime is 2540770811. The next prime is 2540770873. The reversal of 2540770829 is 9280770452.

It is an a-pointer prime, because the next prime (2540770873) can be obtained adding 2540770829 to its sum of digits (44).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2403646729 + 137124100 = 49027^2 + 11710^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2540770829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2540770829.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2540770879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1270385414 + 1270385415.

It is an arithmetic number, because the mean of its divisors is an integer number (1270385415).

Almost surely, 2^2540770829 is an apocalyptic number.

It is an amenable number.

2540770829 is a deficient number, since it is larger than the sum of its proper divisors (1).

2540770829 is an equidigital number, since it uses as much as digits as its factorization.

2540770829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 2540770829 is about 50406.0594472530. The cubic root of 2540770829 is about 1364.5469975899.

The spelling of 2540770829 in words is "two billion, five hundred forty million, seven hundred seventy thousand, eight hundred twenty-nine".