63450465269 has 2 divisors, whose sum is σ = 63450465270. Its totient is φ = 63450465268.

The previous prime is 63450465257. The next prime is 63450465283. The reversal of 63450465269 is 96256405436.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 60410266225 + 3040199044 = 245785^2 + 55138^2 .

It is a cyclic number.

It is not a de Polignac number, because 63450465269 - 2²⁴ = 63433688053 is a prime.

It is a super-2 number, since 2×63450465269² (a number of 22 digits) contains 22 as substring.

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 (63450465209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31725232634 + 31725232635.

It is an arithmetic number, because the mean of its divisors is an integer number (31725232635).

Almost surely, 2^63450465269 is an apocalyptic number.

It is an amenable number.

63450465269 is a deficient number, since it is larger than the sum of its proper divisors (1).

63450465269 is an equidigital number, since it uses as much as digits as its factorization.

63450465269 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4665600, while the sum is 50.

The spelling of 63450465269 in words is "sixty-three billion, four hundred fifty million, four hundred sixty-five thousand, two hundred sixty-nine".