63730531342571 has 8 divisors (see below), whose sum is σ = 64628351764704. Its totient is φ = 62832716679040.

The previous prime is 63730531342561. The next prime is 63730531342573. The reversal of 63730531342571 is 17524313503736.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 63730531342571 - 2¹⁸ = 63730531080427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (63730531342573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23992721 + ... + 26516253.

It is an arithmetic number, because the mean of its divisors is an integer number (8078543970588).

Almost surely, 2^{63730531342571} is an apocalyptic number.

63730531342571 is a deficient number, since it is larger than the sum of its proper divisors (897820422133).

63730531342571 is a wasteful number, since it uses less digits than its factorization.

63730531342571 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2879301.

The product of its (nonzero) digits is 4762800, while the sum is 50.

The spelling of 63730531342571 in words is "sixty-three trillion, seven hundred thirty billion, five hundred thirty-one million, three hundred forty-two thousand, five hundred seventy-one".