63453035436 has 96 divisors (see below), whose sum is σ = 178204508160. Its totient is φ = 17166510144.

The previous prime is 63453035423. The next prime is 63453035453.

It is a happy number.

63453035436 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3506965 + ... + 3525011.

It is an arithmetic number, because the mean of its divisors is an integer number (1856296960).

Almost surely, 2^63453035436 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 63453035436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89102254080).

63453035436 is an abundant number, since it is smaller than the sum of its proper divisors (114751472724).

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

63453035436 is a wasteful number, since it uses less digits than its factorization.

63453035436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20283 (or 20281 counting only the distinct ones).

The product of its (nonzero) digits is 1166400, while the sum is 42.

It can be divided in two parts, 634530 and 35436, that added together give a palindrome (669966).

The spelling of 63453035436 in words is "sixty-three billion, four hundred fifty-three million, thirty-five thousand, four hundred thirty-six".