63256342345109 has 2 divisors, whose sum is σ = 63256342345110. Its totient is φ = 63256342345108.

The previous prime is 63256342345033. The next prime is 63256342345127. The reversal of 63256342345109 is 90154324365236.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49313750640625 + 13942591704484 = 7022375^2 + 3733978^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63256342345109 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63256342345169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31628171172554 + 31628171172555.

It is an arithmetic number, because the mean of its divisors is an integer number (31628171172555).

Almost surely, 2^{63256342345109} is an apocalyptic number.

It is an amenable number.

63256342345109 is a deficient number, since it is larger than the sum of its proper divisors (1).

63256342345109 is an equidigital number, since it uses as much as digits as its factorization.

63256342345109 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13996800, while the sum is 53.

The spelling of 63256342345109 in words is "sixty-three trillion, two hundred fifty-six billion, three hundred forty-two million, three hundred forty-five thousand, one hundred nine".