1691230009882 has 32 divisors (see below), whose sum is σ = 2978122976640. Its totient is φ = 705101734080.

The previous prime is 1691230009853. The next prime is 1691230009921. The reversal of 1691230009882 is 2889000321961.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2757469 + ... + 3314527.

It is an arithmetic number, because the mean of its divisors is an integer number (93066343020).

Almost surely, 2^{1691230009882} is an apocalyptic number.

1691230009882 is a deficient number, since it is larger than the sum of its proper divisors (1286892966758).

1691230009882 is a wasteful number, since it uses less digits than its factorization.

1691230009882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562966.

The product of its (nonzero) digits is 373248, while the sum is 49.

The spelling of 1691230009882 in words is "one trillion, six hundred ninety-one billion, two hundred thirty million, nine thousand, eight hundred eighty-two".