63941075683 has 2 divisors, whose sum is σ = 63941075684. Its totient is φ = 63941075682.

The previous prime is 63941075629. The next prime is 63941075689. The reversal of 63941075683 is 38657014936.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63941075683 is a prime.

It is a super-2 number, since 2×63941075683² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 63941075683.

It is not a weakly prime, because it can be changed into another prime (63941075689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31970537841 + 31970537842.

It is an arithmetic number, because the mean of its divisors is an integer number (31970537842).

Almost surely, 2^63941075683 is an apocalyptic number.

63941075683 is a deficient number, since it is larger than the sum of its proper divisors (1).

63941075683 is an equidigital number, since it uses as much as digits as its factorization.

63941075683 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 63941075683 in words is "sixty-three billion, nine hundred forty-one million, seventy-five thousand, six hundred eighty-three".