1693769499601 has 9 divisors (see below), whose sum is σ = 1711538621649. Its totient is φ = 1676183019264.

The previous prime is 1693769499593. The next prime is 1693769499607. The reversal of 1693769499601 is 1069949673961.

The square root of 1693769499601 is 1301449.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 52808499601 + 1640961000000 = 229801^2 + 1281000^2 .

It is not a de Polignac number, because 1693769499601 - 2³ = 1693769499593 is a prime.

It is a super-3 number, since 3×1693769499601³ (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1693769499607) 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 8 ways as a sum of consecutive naturals, for example, 126233845 + ... + 126247261.

It is an arithmetic number, because the mean of its divisors is an integer number (190170957961).

Almost surely, 2^{1693769499601} is an apocalyptic number.

1693769499601 is the 1301449-th square number.

1693769499601 is the 650725-th centered octagonal number.

It is an amenable number.

1693769499601 is a deficient number, since it is larger than the sum of its proper divisors (17769122048).

1693769499601 is an frugal number, since it uses more digits than its factorization.

1693769499601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27028 (or 13514 counting only the distinct ones).

The product of its (nonzero) digits is 119042784, while the sum is 70.

The spelling of 1693769499601 in words is "one trillion, six hundred ninety-three billion, seven hundred sixty-nine million, four hundred ninety-nine thousand, six hundred one".