10001645472745 has 16 divisors (see below), whose sum is σ = 12179202052608. Its totient is φ = 7883316306880.

The previous prime is 10001645472743. The next prime is 10001645472817. The reversal of 10001645472745 is 54727454610001.

It is not a de Polignac number, because 10001645472745 - 2¹ = 10001645472743 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10001645472695 and 10001645472704.

It is not an unprimeable number, because it can be changed into a prime (10001645472743) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 8945434 + ... + 10001203.

It is an arithmetic number, because the mean of its divisors is an integer number (761200128288).

Almost surely, 2^{10001645472745} is an apocalyptic number.

It is an amenable number.

10001645472745 is a deficient number, since it is larger than the sum of its proper divisors (2177556579863).

10001645472745 is a wasteful number, since it uses less digits than its factorization.

10001645472745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18948200.

The product of its (nonzero) digits is 940800, while the sum is 46.

The spelling of 10001645472745 in words is "ten trillion, one billion, six hundred forty-five million, four hundred seventy-two thousand, seven hundred forty-five".