63754157643 has 16 divisors (see below), whose sum is σ = 93599991936. Its totient is φ = 38277770240.

The previous prime is 63754157627. The next prime is 63754157651. The reversal of 63754157643 is 34675145736.

It is a cyclic number.

It is not a de Polignac number, because 63754157643 - 2⁴ = 63754157627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (63754157653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9024246 + ... + 9031307.

It is an arithmetic number, because the mean of its divisors is an integer number (5849999496).

Almost surely, 2^63754157643 is an apocalyptic number.

63754157643 is a deficient number, since it is larger than the sum of its proper divisors (29845834293).

63754157643 is a wasteful number, since it uses less digits than its factorization.

63754157643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18055674.

The product of its digits is 6350400, while the sum is 51.

The spelling of 63754157643 in words is "sixty-three billion, seven hundred fifty-four million, one hundred fifty-seven thousand, six hundred forty-three".