63273123135919 has 2 divisors, whose sum is σ = 63273123135920. Its totient is φ = 63273123135918.

The previous prime is 63273123135913. The next prime is 63273123135991. The reversal of 63273123135919 is 91953132137236.

It is a happy number.

Together with next prime (63273123135991) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 63273123135919 - 2³¹ = 63270975652271 is a prime.

It is a super-2 number, since 2×63273123135919² (a number of 28 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63273123135919.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63273123135913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31636561567959 + 31636561567960.

It is an arithmetic number, because the mean of its divisors is an integer number (31636561567960).

Almost surely, 2^{63273123135919} is an apocalyptic number.

63273123135919 is a deficient number, since it is larger than the sum of its proper divisors (1).

63273123135919 is an equidigital number, since it uses as much as digits as its factorization.

63273123135919 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5511240, while the sum is 55.

The spelling of 63273123135919 in words is "sixty-three trillion, two hundred seventy-three billion, one hundred twenty-three million, one hundred thirty-five thousand, nine hundred nineteen".