694005500005 has 8 divisors (see below), whose sum is σ = 832811299992. Its totient is φ = 555201266688.

The previous prime is 694005499951. The next prime is 694005500011. The reversal of 694005500005 is 500005500496.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 56233956769 + 637771543236 = 237137^2 + 798606^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-694005500005 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1097917 + ... + 1610413.

It is an arithmetic number, because the mean of its divisors is an integer number (104101412499).

Almost surely, 2^694005500005 is an apocalyptic number.

It is an amenable number.

694005500005 is a deficient number, since it is larger than the sum of its proper divisors (138805799987).

694005500005 is a wasteful number, since it uses less digits than its factorization.

694005500005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783335.

The product of its (nonzero) digits is 27000, while the sum is 34.

The spelling of 694005500005 in words is "six hundred ninety-four billion, five million, five hundred thousand, five".