63450610641 has 24 divisors (see below), whose sum is σ = 100160457696. Its totient is φ = 38386578240.

The previous prime is 63450610583. The next prime is 63450610667. The reversal of 63450610641 is 14601605436.

It is a happy number.

63450610641 is a `hidden beast` number, since 6 + 3 + 4 + 5 + 0 + 6 + 1 + 0 + 641 = 666.

It is not a de Polignac number, because 63450610641 - 2¹⁵ = 63450577873 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 63450610596 and 63450610605.

It is not an unprimeable number, because it can be changed into a prime (63450610681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 513460 + ... + 624933.

It is an arithmetic number, because the mean of its divisors is an integer number (4173352404).

Almost surely, 2^63450610641 is an apocalyptic number.

It is an amenable number.

63450610641 is a deficient number, since it is larger than the sum of its proper divisors (36709847055).

63450610641 is a wasteful number, since it uses less digits than its factorization.

63450610641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138973 (or 1138970 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The spelling of 63450610641 in words is "sixty-three billion, four hundred fifty million, six hundred ten thousand, six hundred forty-one".