63930139250573 has 2 divisors, whose sum is σ = 63930139250574. Its totient is φ = 63930139250572.

The previous prime is 63930139250569. The next prime is 63930139250597. The reversal of 63930139250573 is 37505293103936.

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., 63916155478564 + 13983772009 = 7994758^2 + 118253^2 .

It is a cyclic number.

It is not a de Polignac number, because 63930139250573 - 2² = 63930139250569 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63930139250543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31965069625286 + 31965069625287.

It is an arithmetic number, because the mean of its divisors is an integer number (31965069625287).

Almost surely, 2^{63930139250573} is an apocalyptic number.

It is an amenable number.

63930139250573 is a deficient number, since it is larger than the sum of its proper divisors (1).

63930139250573 is an equidigital number, since it uses as much as digits as its factorization.

63930139250573 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 13778100, while the sum is 56.

The spelling of 63930139250573 in words is "sixty-three trillion, nine hundred thirty billion, one hundred thirty-nine million, two hundred fifty thousand, five hundred seventy-three".