10005204845 has 8 divisors (see below), whose sum is σ = 12006879000. Its totient is φ = 8003741760.

The previous prime is 10005204841. The next prime is 10005204863. The reversal of 10005204845 is 54840250001.

It can be written as a sum of positive squares in 4 ways, for example, as 2494902601 + 7510302244 = 49949^2 + 86662^2 .

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

It is not a de Polignac number, because 10005204845 - 2² = 10005204841 is a prime.

It is a super-2 number, since 2×10005204845² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10005204841) by changing a digit.

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, 83531 + ... + 164279.

It is an arithmetic number, because the mean of its divisors is an integer number (1500859875).

Almost surely, 2^10005204845 is an apocalyptic number.

It is an amenable number.

10005204845 is a deficient number, since it is larger than the sum of its proper divisors (2001674155).

10005204845 is an equidigital number, since it uses as much as digits as its factorization.

10005204845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105535.

The product of its (nonzero) digits is 6400, while the sum is 29.

Adding to 10005204845 its reverse (54840250001), we get a palindrome (64845454846).

The spelling of 10005204845 in words is "ten billion, five million, two hundred four thousand, eight hundred forty-five".