63949005120 has 672 divisors, whose sum is σ = 274161991680. Its totient is φ = 12263546880.

The previous prime is 63949005119. The next prime is 63949005139. The reversal of 63949005120 is 2150094936.

It is a tau number, because it is divible by the number of its divisors (672).

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 12489921 + ... + 12495039.

Almost surely, 2^63949005120 is an apocalyptic number.

63949005120 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 63949005120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137080995840).

63949005120 is an abundant number, since it is smaller than the sum of its proper divisors (210212986560).

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

63949005120 is a wasteful number, since it uses less digits than its factorization.

63949005120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5183 (or 5160 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 39.

The spelling of 63949005120 in words is "sixty-three billion, nine hundred forty-nine million, five thousand, one hundred twenty".