1017749975039 has 4 divisors (see below), whose sum is σ = 1163142828624. Its totient is φ = 872357121456.

The previous prime is 1017749974993. The next prime is 1017749975041. The reversal of 1017749975039 is 9305799477101.

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 1017749975039 - 2²⁸ = 1017481539583 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1017749975839) 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, 72696426782 + ... + 72696426795.

It is an arithmetic number, because the mean of its divisors is an integer number (290785707156).

Almost surely, 2^{1017749975039} is an apocalyptic number.

1017749975039 is a deficient number, since it is larger than the sum of its proper divisors (145392853585).

1017749975039 is an equidigital number, since it uses as much as digits as its factorization.

1017749975039 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145392853584.

The product of its (nonzero) digits is 15002820, while the sum is 62.

The spelling of 1017749975039 in words is "one trillion, seventeen billion, seven hundred forty-nine million, nine hundred seventy-five thousand, thirty-nine".