2045265252013 has 2 divisors, whose sum is σ = 2045265252014. Its totient is φ = 2045265252012.

The previous prime is 2045265251983. The next prime is 2045265252047. The reversal of 2045265252013 is 3102525625402.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1588401461124 + 456863790889 = 1260318^2 + 675917^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2045265252013 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2045265255013) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1022632626006 + 1022632626007.

It is an arithmetic number, because the mean of its divisors is an integer number (1022632626007).

Almost surely, 2^{2045265252013} is an apocalyptic number.

It is an amenable number.

2045265252013 is a deficient number, since it is larger than the sum of its proper divisors (1).

2045265252013 is an equidigital number, since it uses as much as digits as its factorization.

2045265252013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 2045265252013 in words is "two trillion, forty-five billion, two hundred sixty-five million, two hundred fifty-two thousand, thirteen".