63623870447 has 2 divisors, whose sum is σ = 63623870448. Its totient is φ = 63623870446.

The previous prime is 63623870419. The next prime is 63623870449. The reversal of 63623870447 is 74407832636.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 63623870447 - 2¹⁶ = 63623804911 is a prime.

Together with 63623870449, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 63623870395 and 63623870404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (63623870449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31811935223 + 31811935224.

It is an arithmetic number, because the mean of its divisors is an integer number (31811935224).

Almost surely, 2^63623870447 is an apocalyptic number.

63623870447 is a deficient number, since it is larger than the sum of its proper divisors (1).

63623870447 is an equidigital number, since it uses as much as digits as its factorization.

63623870447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4064256, while the sum is 50.

The spelling of 63623870447 in words is "sixty-three billion, six hundred twenty-three million, eight hundred seventy thousand, four hundred forty-seven".