1059493938721 has 8 divisors (see below), whose sum is σ = 1096636833000. Its totient is φ = 1022391619200.

The previous prime is 1059493938707. The next prime is 1059493938749. The reversal of 1059493938721 is 1278393949501.

It can be written as a sum of positive squares in 4 ways, for example, as 15285860496 + 1044208078225 = 123636^2 + 1021865^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1059493938721 - 2¹¹ = 1059493936673 is a prime.

It is a super-2 number, since 2×1059493938721² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1059493938721.

It is not an unprimeable number, because it can be changed into a prime (1059493938751) 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 7 ways as a sum of consecutive naturals, for example, 10090546 + ... + 10195003.

It is an arithmetic number, because the mean of its divisors is an integer number (137079604125).

Almost surely, 2^{1059493938721} is an apocalyptic number.

It is an amenable number.

1059493938721 is a deficient number, since it is larger than the sum of its proper divisors (37142894279).

1059493938721 is a wasteful number, since it uses less digits than its factorization.

1059493938721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20287379.

The product of its (nonzero) digits is 14696640, while the sum is 61.

The spelling of 1059493938721 in words is "one trillion, fifty-nine billion, four hundred ninety-three million, nine hundred thirty-eight thousand, seven hundred twenty-one".