63131417771 has 4 divisors (see below), whose sum is σ = 63710605200. Its totient is φ = 62552230344.

The previous prime is 63131417761. The next prime is 63131417779. The reversal of 63131417771 is 17771413136.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 63131417771 - 2⁶ = 63131417707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63131417779) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289593551 + ... + 289593768.

It is an arithmetic number, because the mean of its divisors is an integer number (15927651300).

Almost surely, 2^63131417771 is an apocalyptic number.

63131417771 is a deficient number, since it is larger than the sum of its proper divisors (579187429).

63131417771 is a wasteful number, since it uses less digits than its factorization.

63131417771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 579187428.

The product of its digits is 74088, while the sum is 41.

The spelling of 63131417771 in words is "sixty-three billion, one hundred thirty-one million, four hundred seventeen thousand, seven hundred seventy-one".