2545463369 has 2 divisors, whose sum is σ = 2545463370. Its totient is φ = 2545463368.

The previous prime is 2545463321. The next prime is 2545463399. The reversal of 2545463369 is 9633645452.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2542176400 + 3286969 = 50420^2 + 1813^2 .

It is a cyclic number.

It is not a de Polignac number, because 2545463369 - 2⁸ = 2545463113 is a prime.

It is a super-2 number, since 2×2545463369² = 12958767525841660322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2545463309) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1272731684 + 1272731685.

It is an arithmetic number, because the mean of its divisors is an integer number (1272731685).

Almost surely, 2^2545463369 is an apocalyptic number.

It is an amenable number.

2545463369 is a deficient number, since it is larger than the sum of its proper divisors (1).

2545463369 is an equidigital number, since it uses as much as digits as its factorization.

2545463369 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2332800, while the sum is 47.

The square root of 2545463369 is about 50452.5853549647. The cubic root of 2545463369 is about 1365.3865398428.

The spelling of 2545463369 in words is "two billion, five hundred forty-five million, four hundred sixty-three thousand, three hundred sixty-nine".