63848344920 has 192 divisors, whose sum is σ = 195206850720. Its totient is φ = 16706174976.

The previous prime is 63848344907. The next prime is 63848344927. The reversal of 63848344920 is 2944384836.

It is a super-2 number, since 2×63848344920² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (63848344927) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 217912294 + ... + 217912586.

Almost surely, 2^63848344920 is an apocalyptic number.

63848344920 is a gapful number since it is divisible by the number (60) 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 63848344920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97603425360).

63848344920 is an abundant number, since it is smaller than the sum of its proper divisors (131358505800).

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

63848344920 is a wasteful number, since it uses less digits than its factorization.

63848344920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 694 (or 593 counting only the distinct ones).

The product of its (nonzero) digits is 3981312, while the sum is 51.

The spelling of 63848344920 in words is "sixty-three billion, eight hundred forty-eight million, three hundred forty-four thousand, nine hundred twenty".