1017920046943 has 4 divisors (see below), whose sum is σ = 1027258763080. Its totient is φ = 1008581330808.

The previous prime is 1017920046937. The next prime is 1017920046959. The reversal of 1017920046943 is 3496400297101.

1017920046943 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 1017920046943 - 2²¹ = 1017917949791 is a prime.

It is a super-2 number, since 2×1017920046943² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1017920046893 and 1017920046902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1017920056943) 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, 4669357905 + ... + 4669358122.

It is an arithmetic number, because the mean of its divisors is an integer number (256814690770).

Almost surely, 2^{1017920046943} is an apocalyptic number.

1017920046943 is a deficient number, since it is larger than the sum of its proper divisors (9338716137).

1017920046943 is an equidigital number, since it uses as much as digits as its factorization.

1017920046943 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9338716136.

The product of its (nonzero) digits is 326592, while the sum is 46.

The spelling of 1017920046943 in words is "one trillion, seventeen billion, nine hundred twenty million, forty-six thousand, nine hundred forty-three".