1689255384002 has 16 divisors (see below), whose sum is σ = 2536033714200. Its totient is φ = 843910932480.

The previous prime is 1689255383987. The next prime is 1689255384043. The reversal of 1689255384002 is 2004835529861.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 980276227921 + 708979156081 = 990089^2 + 842009^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38257874 + ... + 38302002.

Almost surely, 2^{1689255384002} is an apocalyptic number.

1689255384002 is a deficient number, since it is larger than the sum of its proper divisors (846778330198).

1689255384002 is a wasteful number, since it uses less digits than its factorization.

1689255384002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59941.

The product of its (nonzero) digits is 4147200, while the sum is 53.

The spelling of 1689255384002 in words is "one trillion, six hundred eighty-nine billion, two hundred fifty-five million, three hundred eighty-four thousand, two".