10206644504401 has 4 divisors (see below), whose sum is σ = 10207173118900. Its totient is φ = 10206115889904.

The previous prime is 10206644504393. The next prime is 10206644504443. The reversal of 10206644504401 is 10440544660201.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5870250579600 + 4336393924801 = 2422860^2 + 2082401^2 .

It is a cyclic number.

It is not a de Polignac number, because 10206644504401 - 2³ = 10206644504393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10206644504201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 264278286 + ... + 264316903.

It is an arithmetic number, because the mean of its divisors is an integer number (2551793279725).

Almost surely, 2^{10206644504401} is an apocalyptic number.

It is an amenable number.

10206644504401 is a deficient number, since it is larger than the sum of its proper divisors (528614499).

10206644504401 is an equidigital number, since it uses as much as digits as its factorization.

10206644504401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 528614498.

The product of its (nonzero) digits is 92160, while the sum is 37.

The spelling of 10206644504401 in words is "ten trillion, two hundred six billion, six hundred forty-four million, five hundred four thousand, four hundred one".