1689352538541 has 8 divisors (see below), whose sum is σ = 2265053683680. Its totient is φ = 1119943209552.

The previous prime is 1689352538539. The next prime is 1689352538543. The reversal of 1689352538541 is 1458352539861.

It is an interprime number because it is at equal distance from previous prime (1689352538539) and next prime (1689352538543).

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

It is not a de Polignac number, because 1689352538541 - 2¹ = 1689352538539 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1689352538543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1572953410 + ... + 1572954483.

It is an arithmetic number, because the mean of its divisors is an integer number (283131710460).

Almost surely, 2^{1689352538541} is an apocalyptic number.

It is an amenable number.

1689352538541 is a deficient number, since it is larger than the sum of its proper divisors (575701145139).

1689352538541 is a wasteful number, since it uses less digits than its factorization.

1689352538541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3145908075.

The product of its digits is 31104000, while the sum is 60.

The spelling of 1689352538541 in words is "one trillion, six hundred eighty-nine billion, three hundred fifty-two million, five hundred thirty-eight thousand, five hundred forty-one".