493790100805 has 8 divisors (see below), whose sum is σ = 592560231192. Its totient is φ = 395024007168.

The previous prime is 493790100781. The next prime is 493790100829. The reversal of 493790100805 is 508001097394.

It is a happy number.

It is a Cunningham number, because it is equal to 702702²+1.

It is an interprime number because it is at equal distance from previous prime (493790100781) and next prime (493790100829).

It can be written as a sum of positive squares in 4 ways, for example, as 173543895396 + 320246205409 = 416586^2 + 565903^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 493790100805 - 2⁵ = 493790100773 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 (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 733212 + ... + 1234981.

It is an arithmetic number, because the mean of its divisors is an integer number (74070028899).

Almost surely, 2^493790100805 is an apocalyptic number.

It is an amenable number.

493790100805 is a deficient number, since it is larger than the sum of its proper divisors (98770130387).

493790100805 is a wasteful number, since it uses less digits than its factorization.

493790100805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2018375.

The product of its (nonzero) digits is 272160, while the sum is 46.

It can be divided in two parts, 493790 and 100805, that added together give a triangular number (594595 = T₁₀₉₀).

The spelling of 493790100805 in words is "four hundred ninety-three billion, seven hundred ninety million, one hundred thousand, eight hundred five".