2017450997745 has 32 divisors (see below), whose sum is σ = 3312486576000. Its totient is φ = 1048077648384.

The previous prime is 2017450997689. The next prime is 2017450997761. The reversal of 2017450997745 is 5477990547102.

It is not a de Polignac number, because 2017450997745 - 2¹⁴ = 2017450981361 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9017820 + ... + 9238829.

It is an arithmetic number, because the mean of its divisors is an integer number (103515205500).

Almost surely, 2^{2017450997745} is an apocalyptic number.

It is an amenable number.

2017450997745 is a deficient number, since it is larger than the sum of its proper divisors (1295035578255).

2017450997745 is a wasteful number, since it uses less digits than its factorization.

2017450997745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18256849.

The product of its (nonzero) digits is 22226400, while the sum is 60.

The spelling of 2017450997745 in words is "two trillion, seventeen billion, four hundred fifty million, nine hundred ninety-seven thousand, seven hundred forty-five".