63274447236 has 432 divisors, whose sum is σ = 212300294528. Its totient is φ = 14269685760.

The previous prime is 63274447207. The next prime is 63274447237.

63274447236 is nontrivially palindromic in base 10.

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (63274447237) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 38185320 + ... + 38186976.

Almost surely, 2^63274447236 is an apocalyptic number.

63274447236 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63274447236, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (106150147264).

63274447236 is an abundant number, since it is smaller than the sum of its proper divisors (149025847292).

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

63274447236 is a wasteful number, since it uses less digits than its factorization.

63274447236 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1740 (or 1710 counting only the distinct ones).

The product of its digits is 4064256, while the sum is 48.

The spelling of 63274447236 in words is "sixty-three billion, two hundred seventy-four million, four hundred forty-seven thousand, two hundred thirty-six".