10606805773021 has 4 divisors (see below), whose sum is σ = 10643006475612. Its totient is φ = 10570605070432.

The previous prime is 10606805772973. The next prime is 10606805773087. The reversal of 10606805773021 is 12037750860601.

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 6062601195225 + 4544204577796 = 2462235^2 + 2131714^2 .

It is a cyclic number.

It is not a de Polignac number, because 10606805773021 - 2¹⁹ = 10606805248733 is a prime.

It is a super-2 number, since 2×10606805773021² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10606805173021) 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, 18100350856 + ... + 18100351441.

It is an arithmetic number, because the mean of its divisors is an integer number (2660751618903).

Almost surely, 2^{10606805773021} is an apocalyptic number.

It is an amenable number.

10606805773021 is a deficient number, since it is larger than the sum of its proper divisors (36200702591).

10606805773021 is an equidigital number, since it uses as much as digits as its factorization.

10606805773021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36200702590.

The product of its (nonzero) digits is 423360, while the sum is 46.

The spelling of 10606805773021 in words is "ten trillion, six hundred six billion, eight hundred five million, seven hundred seventy-three thousand, twenty-one".