63348731757 has 6 divisors (see below), whose sum is σ = 91503723662. Its totient is φ = 42232487832.

The previous prime is 63348731749. The next prime is 63348731759. The reversal of 63348731757 is 75713784336.

63348731757 is a `hidden beast` number, since 63 + 3 + 487 + 31 + 75 + 7 = 666.

It can be written as a sum of positive squares in only one way, i.e., 53004011076 + 10344720681 = 230226^2 + 101709^2 .

It is not a de Polignac number, because 63348731757 - 2³ = 63348731749 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63348731759) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3519373978 + ... + 3519373995.

Almost surely, 2^63348731757 is an apocalyptic number.

It is an amenable number.

63348731757 is a deficient number, since it is larger than the sum of its proper divisors (28154991905).

63348731757 is a wasteful number, since it uses less digits than its factorization.

63348731757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7038747979 (or 7038747976 counting only the distinct ones).

The product of its digits is 8890560, while the sum is 54.

The spelling of 63348731757 in words is "sixty-three billion, three hundred forty-eight million, seven hundred thirty-one thousand, seven hundred fifty-seven".