63474847436 has 288 divisors, whose sum is σ = 159961589760. Its totient is φ = 21384000000.

The previous prime is 63474847433. The next prime is 63474847439.

63474847436 is nontrivially palindromic in base 10.

It is an interprime number because it is at equal distance from previous prime (63474847433) and next prime (63474847439).

It is not an unprimeable number, because it can be changed into a prime (63474847433) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 84520061 + ... + 84520811.

Almost surely, 2^63474847436 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 63474847436, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79980794880).

63474847436 is an abundant number, since it is smaller than the sum of its proper divisors (96486742324).

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

63474847436 is a wasteful number, since it uses less digits than its factorization.

63474847436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 917 (or 904 counting only the distinct ones).

The product of its digits is 32514048, while the sum is 56.

The spelling of 63474847436 in words is "sixty-three billion, four hundred seventy-four million, eight hundred forty-seven thousand, four hundred thirty-six".