63750630551 has 2 divisors, whose sum is σ = 63750630552. Its totient is φ = 63750630550.

The previous prime is 63750630533. The next prime is 63750630577. The reversal of 63750630551 is 15503605736.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63750630551 is a prime.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 63750630499 and 63750630508.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63750530551) 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 as a sum of consecutive naturals, namely, 31875315275 + 31875315276.

It is an arithmetic number, because the mean of its divisors is an integer number (31875315276).

Almost surely, 2^63750630551 is an apocalyptic number.

63750630551 is a deficient number, since it is larger than the sum of its proper divisors (1).

63750630551 is an equidigital number, since it uses as much as digits as its factorization.

63750630551 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 283500, while the sum is 41.

The spelling of 63750630551 in words is "sixty-three billion, seven hundred fifty million, six hundred thirty thousand, five hundred fifty-one".