463626421356544 has 96 divisors (see below), whose sum is σ = 929401535462400. Its totient is φ = 231220053114880.

The previous prime is 463626421356517. The next prime is 463626421356583. The reversal of 463626421356544 is 445653124626364.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1261759089 + ... + 1262126479.

It is an arithmetic number, because the mean of its divisors is an integer number (9681265994400).

Almost surely, 2^{463626421356544} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 463626421356544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (464700767731200).

463626421356544 is an abundant number, since it is smaller than the sum of its proper divisors (465775114105856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

463626421356544 is an equidigital number, since it uses as much as digits as its factorization.

463626421356544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 368989 (or 368969 counting only the distinct ones).

The product of its digits is 298598400, while the sum is 61.

The spelling of 463626421356544 in words is "four hundred sixty-three trillion, six hundred twenty-six billion, four hundred twenty-one million, three hundred fifty-six thousand, five hundred forty-four".