63933276413 has 2 divisors, whose sum is σ = 63933276414. Its totient is φ = 63933276412.

The previous prime is 63933276401. The next prime is 63933276443. The reversal of 63933276413 is 31467233936.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36809492164 + 27123784249 = 191858^2 + 164693^2 .

It is a cyclic number.

It is not a de Polignac number, because 63933276413 - 2¹² = 63933272317 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63933276443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31966638206 + 31966638207.

It is an arithmetic number, because the mean of its divisors is an integer number (31966638207).

Almost surely, 2^63933276413 is an apocalyptic number.

It is an amenable number.

63933276413 is a deficient number, since it is larger than the sum of its proper divisors (1).

63933276413 is an equidigital number, since it uses as much as digits as its factorization.

63933276413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 47.

The spelling of 63933276413 in words is "sixty-three billion, nine hundred thirty-three million, two hundred seventy-six thousand, four hundred thirteen".