63426120463 has 4 divisors (see below), whose sum is σ = 63497951608. Its totient is φ = 63354289320.

The previous prime is 63426120449. The next prime is 63426120503. The reversal of 63426120463 is 36402162436.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 63426120463 - 2²⁵ = 63392566031 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 (63426129463) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35914248 + ... + 35916013.

It is an arithmetic number, because the mean of its divisors is an integer number (15874487902).

Almost surely, 2^63426120463 is an apocalyptic number.

63426120463 is a deficient number, since it is larger than the sum of its proper divisors (71831145).

63426120463 is an equidigital number, since it uses as much as digits as its factorization.

63426120463 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71831144.

The product of its (nonzero) digits is 124416, while the sum is 37.

Adding to 63426120463 its reverse (36402162436), we get a palindrome (99828282899).

The spelling of 63426120463 in words is "sixty-three billion, four hundred twenty-six million, one hundred twenty thousand, four hundred sixty-three".