63876713441 has 2 divisors, whose sum is σ = 63876713442. Its totient is φ = 63876713440.

The previous prime is 63876713437. The next prime is 63876713479. The reversal of 63876713441 is 14431767836.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57730153441 + 6146560000 = 240271^2 + 78400^2 .

It is a cyclic number.

It is not a de Polignac number, because 63876713441 - 2² = 63876713437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 63876713441.

It is not a weakly prime, because it can be changed into another prime (63876713041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31938356720 + 31938356721.

It is an arithmetic number, because the mean of its divisors is an integer number (31938356721).

Almost surely, 2^63876713441 is an apocalyptic number.

It is an amenable number.

63876713441 is a deficient number, since it is larger than the sum of its proper divisors (1).

63876713441 is an equidigital number, since it uses as much as digits as its factorization.

63876713441 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 50.

The spelling of 63876713441 in words is "sixty-three billion, eight hundred seventy-six million, seven hundred thirteen thousand, four hundred forty-one".