689851923382 has 16 divisors (see below), whose sum is σ = 1070493712560. Its totient is φ = 333021437728.

The previous prime is 689851923337. The next prime is 689851923433. The reversal of 689851923382 is 283329158986.

It is a congruent number.

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, 1852353 + ... + 2193379.

It is an arithmetic number, because the mean of its divisors is an integer number (66905857035).

Almost surely, 2^689851923382 is an apocalyptic number.

689851923382 is a deficient number, since it is larger than the sum of its proper divisors (380641789178).

689851923382 is a wasteful number, since it uses less digits than its factorization.

689851923382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 375935.

The product of its digits is 44789760, while the sum is 64.

The spelling of 689851923382 in words is "six hundred eighty-nine billion, eight hundred fifty-one million, nine hundred twenty-three thousand, three hundred eighty-two".