63247267643 has 4 divisors (see below), whose sum is σ = 72282591600. Its totient is φ = 54211943688.

The previous prime is 63247267637. The next prime is 63247267649. The reversal of 63247267643 is 34676274236.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (63247267637) and next prime (63247267649).

It is not a de Polignac number, because 63247267643 - 2¹⁶ = 63247202107 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 63247267591 and 63247267600.

It is not an unprimeable number, because it can be changed into a prime (63247267649) 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 in 3 ways as a sum of consecutive naturals, for example, 4517661968 + ... + 4517661981.

It is an arithmetic number, because the mean of its divisors is an integer number (18070647900).

Almost surely, 2^63247267643 is an apocalyptic number.

63247267643 is a deficient number, since it is larger than the sum of its proper divisors (9035323957).

63247267643 is an equidigital number, since it uses as much as digits as its factorization.

63247267643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9035323956.

The product of its digits is 6096384, while the sum is 50.

The spelling of 63247267643 in words is "sixty-three billion, two hundred forty-seven million, two hundred sixty-seven thousand, six hundred forty-three".