63144232648457 has 2 divisors, whose sum is σ = 63144232648458. Its totient is φ = 63144232648456.

The previous prime is 63144232648439. The next prime is 63144232648513. The reversal of 63144232648457 is 75484623244136.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35217827360521 + 27926405287936 = 5934461^2 + 5284544^2 .

It is a cyclic number.

It is not a de Polignac number, because 63144232648457 - 2²⁰ = 63144231599881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63144232648396 and 63144232648405.

It is not a weakly prime, because it can be changed into another prime (63144232648157) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31572116324228 + 31572116324229.

It is an arithmetic number, because the mean of its divisors is an integer number (31572116324229).

Almost surely, 2^{63144232648457} is an apocalyptic number.

It is an amenable number.

63144232648457 is a deficient number, since it is larger than the sum of its proper divisors (1).

63144232648457 is an equidigital number, since it uses as much as digits as its factorization.

63144232648457 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92897280, while the sum is 59.

The spelling of 63144232648457 in words is "sixty-three trillion, one hundred forty-four billion, two hundred thirty-two million, six hundred forty-eight thousand, four hundred fifty-seven".