1689354539862 has 64 divisors (see below), whose sum is σ = 3695592307968. Its totient is φ = 510575184000.

The previous prime is 1689354539819. The next prime is 1689354539863. The reversal of 1689354539862 is 2689354539861.

It is a super-2 number, since 2×1689354539862² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1689354539863) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172184937 + ... + 172194747.

It is an arithmetic number, because the mean of its divisors is an integer number (57743629812).

Almost surely, 2^{1689354539862} is an apocalyptic number.

1689354539862 is an abundant number, since it is smaller than the sum of its proper divisors (2006237768106).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1689354539862 is a wasteful number, since it uses less digits than its factorization.

1689354539862 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16445.

The product of its digits is 335923200, while the sum is 69.

Subtracting 1689354539862 from its reverse (2689354539861), we obtain a palindrome (999999999999).

It can be divided in two parts, 1689354 and 539862, that added together give a triangular number (2229216 = T₂₁₁₁).

The spelling of 1689354539862 in words is "one trillion, six hundred eighty-nine billion, three hundred fifty-four million, five hundred thirty-nine thousand, eight hundred sixty-two".