10300866421 has 4 divisors (see below), whose sum is σ = 10301148172. Its totient is φ = 10300584672.

The previous prime is 10300866413. The next prime is 10300866431. The reversal of 10300866421 is 12466800301.

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 3056984100 + 7243882321 = 55290^2 + 85111^2 .

It is a cyclic number.

It is not a de Polignac number, because 10300866421 - 2³ = 10300866413 is a prime.

It is a super-2 number, since 2×10300866421² (a number of 21 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 (10300866431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 76110 + ... + 162463.

It is an arithmetic number, because the mean of its divisors is an integer number (2575287043).

Almost surely, 2^10300866421 is an apocalyptic number.

It is an amenable number.

10300866421 is a deficient number, since it is larger than the sum of its proper divisors (281751).

10300866421 is an equidigital number, since it uses as much as digits as its factorization.

10300866421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281750.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 10300866421 in words is "ten billion, three hundred million, eight hundred sixty-six thousand, four hundred twenty-one".