2248791162409 has 9 divisors (see below), whose sum is σ = 2471829905181. Its totient is φ = 2044340606220.

The previous prime is 2248791162353. The next prime is 2248791162463. The reversal of 2248791162409 is 9042611978422.

The square root of 2248791162409 is 1499597.

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

It is not a de Polignac number, because 2248791162409 - 2¹⁷ = 2248791031337 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2248791162409.

It is not an unprimeable number, because it can be changed into a prime (2248791162209) 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, 16427404 + ... + 16563730.

Almost surely, 2^{2248791162409} is an apocalyptic number.

2248791162409 is the 1499597-th square number.

2248791162409 is the 749799-th centered octagonal number.

It is an amenable number.

2248791162409 is a deficient number, since it is larger than the sum of its proper divisors (223038742772).

2248791162409 is an frugal number, since it uses more digits than its factorization.

2248791162409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272676 (or 136338 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 2248791162409 in words is "two trillion, two hundred forty-eight billion, seven hundred ninety-one million, one hundred sixty-two thousand, four hundred nine".