1704696805990 has 8 divisors (see below), whose sum is σ = 3068454250800. Its totient is φ = 681878722392.

The previous prime is 1704696805979. The next prime is 1704696806009. The reversal of 1704696805990 is 995086964071.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 85234840290 + ... + 85234840309.

It is an arithmetic number, because the mean of its divisors is an integer number (383556781350).

Almost surely, 2^{1704696805990} is an apocalyptic number.

1704696805990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1704696805990 is a deficient number, since it is larger than the sum of its proper divisors (1363757444810).

1704696805990 is a wasteful number, since it uses less digits than its factorization.

1704696805990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170469680606.

The product of its (nonzero) digits is 29393280, while the sum is 64.

The spelling of 1704696805990 in words is "one trillion, seven hundred four billion, six hundred ninety-six million, eight hundred five thousand, nine hundred ninety".