63580476913 has 2 divisors, whose sum is σ = 63580476914. Its totient is φ = 63580476912.

The previous prime is 63580476907. The next prime is 63580477013. The reversal of 63580476913 is 31967408536.

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., 34568849329 + 29011627584 = 185927^2 + 170328^2 .

It is a cyclic number.

It is not a de Polignac number, because 63580476913 - 2⁵ = 63580476881 is a prime.

It is not a weakly prime, because it can be changed into another prime (63580476013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31790238456 + 31790238457.

It is an arithmetic number, because the mean of its divisors is an integer number (31790238457).

Almost surely, 2^63580476913 is an apocalyptic number.

It is an amenable number.

63580476913 is a deficient number, since it is larger than the sum of its proper divisors (1).

63580476913 is an equidigital number, since it uses as much as digits as its factorization.

63580476913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 63580476913 in words is "sixty-three billion, five hundred eighty million, four hundred seventy-six thousand, nine hundred thirteen".