63454344345436 has 48 divisors (see below), whose sum is σ = 128323964452320. Its totient is φ = 27133976145920.

The previous prime is 63454344345377. The next prime is 63454344345437.

63454344345436 is nontrivially palindromic in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63454344345437) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17511421 + ... + 20822068.

It is an arithmetic number, because the mean of its divisors is an integer number (2673415926090).

Almost surely, 2^{63454344345436} is an apocalyptic number.

It is an amenable number.

63454344345436 is an abundant number, since it is smaller than the sum of its proper divisors (64869620106884).

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

63454344345436 is a wasteful number, since it uses less digits than its factorization.

63454344345436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38335734 (or 38335732 counting only the distinct ones).

The product of its digits is 298598400, while the sum is 58.

The spelling of 63454344345436 in words is "sixty-three trillion, four hundred fifty-four billion, three hundred forty-four million, three hundred forty-five thousand, four hundred thirty-six".