63957061350 has 540 divisors, whose sum is σ = 223961122044. Its totient is φ = 13487160960.

The previous prime is 63957061339. The next prime is 63957061369. The reversal of 63957061350 is 5316075936.

63957061350 is a `hidden beast` number, since 63 + 9 + 570 + 6 + 13 + 5 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 63957061296 and 63957061305.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 269 ways as a sum of consecutive naturals, for example, 33537097 + ... + 33539003.

Almost surely, 2^63957061350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 63957061350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (111980561022).

63957061350 is an abundant number, since it is smaller than the sum of its proper divisors (160004060694).

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

63957061350 is a wasteful number, since it uses less digits than its factorization.

63957061350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971 (or 1937 counting only the distinct ones).

The product of its (nonzero) digits is 510300, while the sum is 45.

The spelling of 63957061350 in words is "sixty-three billion, nine hundred fifty-seven million, sixty-one thousand, three hundred fifty".