2545030070309 has 2 divisors, whose sum is σ = 2545030070310. Its totient is φ = 2545030070308.

The previous prime is 2545030070267. The next prime is 2545030070329. The reversal of 2545030070309 is 9030700305452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2235482493409 + 309547576900 = 1495153^2 + 556370^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2545030070309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2545030070329) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272515035154 + 1272515035155.

It is an arithmetic number, because the mean of its divisors is an integer number (1272515035155).

Almost surely, 2^{2545030070309} is an apocalyptic number.

It is an amenable number.

2545030070309 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545030070309 is an equidigital number, since it uses as much as digits as its factorization.

2545030070309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 113400, while the sum is 38.

The spelling of 2545030070309 in words is "two trillion, five hundred forty-five billion, thirty million, seventy thousand, three hundred nine".