10340521205 has 12 divisors (see below), whose sum is σ = 14434523820. Its totient is φ = 7090642944.

The previous prime is 10340521193. The next prime is 10340521211. The reversal of 10340521205 is 50212504301.

It can be written as a sum of positive squares in 2 ways, for example, as 1107425284 + 9233095921 = 33278^2 + 96089^2 .

It is not a de Polignac number, because 10340521205 - 2⁶ = 10340521141 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 21102860 + ... + 21103349.

It is an arithmetic number, because the mean of its divisors is an integer number (1202876985).

Almost surely, 2^10340521205 is an apocalyptic number.

It is an amenable number.

10340521205 is a deficient number, since it is larger than the sum of its proper divisors (4094002615).

10340521205 is an equidigital number, since it uses as much as digits as its factorization.

10340521205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42206228 (or 42206221 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The spelling of 10340521205 in words is "ten billion, three hundred forty million, five hundred twenty-one thousand, two hundred five".