10204590689 has 8 divisors (see below), whose sum is σ = 10223726568. Its totient is φ = 10185471360.

The previous prime is 10204590677. The next prime is 10204590719. The reversal of 10204590689 is 98609540201.

It can be written as a sum of positive squares in 4 ways, for example, as 207590464 + 9997000225 = 14408^2 + 99985^2 .

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-10204590689 is a prime.

It is a super-2 number, since 2×10204590689² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10204590089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2217539 + ... + 2222135.

It is an arithmetic number, because the mean of its divisors is an integer number (1277965821).

Almost surely, 2^10204590689 is an apocalyptic number.

It is an amenable number.

10204590689 is a deficient number, since it is larger than the sum of its proper divisors (19135879).

10204590689 is an equidigital number, since it uses as much as digits as its factorization.

10204590689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8275.

The product of its (nonzero) digits is 155520, while the sum is 44.

The spelling of 10204590689 in words is "ten billion, two hundred four million, five hundred ninety thousand, six hundred eighty-nine".