63254781330 has 128 divisors (see below), whose sum is σ = 174065988096. Its totient is φ = 14573260800.

The previous prime is 63254781319. The next prime is 63254781379. The reversal of 63254781330 is 3318745236.

It is a super-2 number, since 2×63254781330² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1173675 + ... + 1226385.

It is an arithmetic number, because the mean of its divisors is an integer number (1359890532).

Almost surely, 2^63254781330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63254781330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87032994048).

63254781330 is an abundant number, since it is smaller than the sum of its proper divisors (110811206766).

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

63254781330 is a wasteful number, since it uses less digits than its factorization.

63254781330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52932.

The product of its (nonzero) digits is 362880, while the sum is 42.

The spelling of 63254781330 in words is "sixty-three billion, two hundred fifty-four million, seven hundred eighty-one thousand, three hundred thirty".