63354381146 has 24 divisors (see below), whose sum is σ = 112632730740. Its totient is φ = 26639575872.

The previous prime is 63354381073. The next prime is 63354381163. The reversal of 63354381146 is 64118345336.

It can be written as a sum of positive squares in 2 ways, for example, as 62118085225 + 1236295921 = 249235^2 + 35161^2 .

It is a super-2 number, since 2×63354381146² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 63354381097 and 63354381106.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6093611 + ... + 6103998.

Almost surely, 2^63354381146 is an apocalyptic number.

63354381146 is a deficient number, since it is larger than the sum of its proper divisors (49278349594).

63354381146 is a wasteful number, since it uses less digits than its factorization.

63354381146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12197678 (or 12197671 counting only the distinct ones).

The product of its digits is 622080, while the sum is 44.

The spelling of 63354381146 in words is "sixty-three billion, three hundred fifty-four million, three hundred eighty-one thousand, one hundred forty-six".