63706745052 has 192 divisors, whose sum is σ = 173037957120. Its totient is φ = 20246112000.

The previous prime is 63706745041. The next prime is 63706745099. The reversal of 63706745052 is 25054760736.

63706745052 is a `hidden beast` number, since 6 + 3 + 70 + 6 + 74 + 505 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 63706744989 and 63706745007.

It is a congruent number.

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, 99077043 + ... + 99077685.

It is an arithmetic number, because the mean of its divisors is an integer number (901239360).

Almost surely, 2^63706745052 is an apocalyptic number.

63706745052 is a gapful number since it is divisible by the number (62) 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 63706745052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86518978560).

63706745052 is an abundant number, since it is smaller than the sum of its proper divisors (109331212068).

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

63706745052 is a wasteful number, since it uses less digits than its factorization.

63706745052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081 (or 1073 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 45.

The spelling of 63706745052 in words is "sixty-three billion, seven hundred six million, seven hundred forty-five thousand, fifty-two".