10128063645 has 48 divisors (see below), whose sum is σ = 20258065152. Its totient is φ = 4585006080.

The previous prime is 10128063641. The next prime is 10128063679. The reversal of 10128063645 is 54636082101.

It is a happy number.

10128063645 is a `hidden beast` number, since 1 + 0 + 1 + 2 + 8 + 0 + 6 + 3 + 645 = 666.

It is not a de Polignac number, because 10128063645 - 2² = 10128063641 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10128063641) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 123636 + ... + 188525.

It is an arithmetic number, because the mean of its divisors is an integer number (422043024).

Almost surely, 2^10128063645 is an apocalyptic number.

10128063645 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

10128063645 is an abundant number, since it is smaller than the sum of its proper divisors (10130001507).

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

10128063645 is a wasteful number, since it uses less digits than its factorization.

10128063645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312282 (or 312279 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The spelling of 10128063645 in words is "ten billion, one hundred twenty-eight million, sixty-three thousand, six hundred forty-five".