63506034247 has 2 divisors, whose sum is σ = 63506034248. Its totient is φ = 63506034246.

The previous prime is 63506034187. The next prime is 63506034259. The reversal of 63506034247 is 74243060536.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63506034247 is a prime.

It is a super-2 number, since 2×63506034247² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63506034287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31753017123 + 31753017124.

It is an arithmetic number, because the mean of its divisors is an integer number (31753017124).

Almost surely, 2^63506034247 is an apocalyptic number.

63506034247 is a deficient number, since it is larger than the sum of its proper divisors (1).

63506034247 is an equidigital number, since it uses as much as digits as its factorization.

63506034247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 362880, while the sum is 40.

The spelling of 63506034247 in words is "sixty-three billion, five hundred six million, thirty-four thousand, two hundred forty-seven".