63547244623 has 2 divisors, whose sum is σ = 63547244624. Its totient is φ = 63547244622.

The previous prime is 63547244611. The next prime is 63547244669. The reversal of 63547244623 is 32644274536.

63547244623 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (63547244669) can be obtained adding 63547244623 to its sum of digits (46).

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-63547244623 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63547244603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31773622311 + 31773622312.

It is an arithmetic number, because the mean of its divisors is an integer number (31773622312).

Almost surely, 2^63547244623 is an apocalyptic number.

63547244623 is a deficient number, since it is larger than the sum of its proper divisors (1).

63547244623 is an equidigital number, since it uses as much as digits as its factorization.

63547244623 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2903040, while the sum is 46.

The spelling of 63547244623 in words is "sixty-three billion, five hundred forty-seven million, two hundred forty-four thousand, six hundred twenty-three".