2017450997743 has 4 divisors (see below), whose sum is σ = 2017893328768. Its totient is φ = 2017008666720.

The previous prime is 2017450997689. The next prime is 2017450997761. The reversal of 2017450997743 is 3477990547102.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2017450997743 - 2²¹ = 2017448900591 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2017450995743) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 221158671 + ... + 221167792.

It is an arithmetic number, because the mean of its divisors is an integer number (504473332192).

Almost surely, 2^{2017450997743} is an apocalyptic number.

2017450997743 is a deficient number, since it is larger than the sum of its proper divisors (442331025).

2017450997743 is an equidigital number, since it uses as much as digits as its factorization.

2017450997743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442331024.

The product of its (nonzero) digits is 13335840, while the sum is 58.

The spelling of 2017450997743 in words is "two trillion, seventeen billion, four hundred fifty million, nine hundred ninety-seven thousand, seven hundred forty-three".