9103212225409 has 9 divisors (see below), whose sum is σ = 9113702869929. Its totient is φ = 9092733653040.

The previous prime is 9103212225391. The next prime is 9103212225427. The reversal of 9103212225409 is 9045222123019.

It is a happy number.

The square root of 9103212225409 is 3017153.

It is a perfect power (a square), and thus also a powerful number.

It is an interprime number because it is at equal distance from previous prime (9103212225391) and next prime (9103212225427).

It can be written as a sum of positive squares in 4 ways, for example, as 4752116604225 + 4351095621184 = 2179935^2 + 2085928^2 .

It is a de Polignac number, because none of the positive numbers 2^k-9103212225409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9103212225469) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 5228725279 + ... + 5228727019.

Almost surely, 2^{9103212225409} is an apocalyptic number.

9103212225409 is the 3017153-rd square number.

9103212225409 is the 1508577-th centered octagonal number.

It is an amenable number.

9103212225409 is a deficient number, since it is larger than the sum of its proper divisors (10490644520).

9103212225409 is an frugal number, since it uses more digits than its factorization.

9103212225409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6948 (or 3474 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The spelling of 9103212225409 in words is "nine trillion, one hundred three billion, two hundred twelve million, two hundred twenty-five thousand, four hundred nine".