1244969366 has 4 divisors (see below), whose sum is σ = 1867454052. Its totient is φ = 622484682.

The previous prime is 1244969317. The next prime is 1244969399. The reversal of 1244969366 is 6639694421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6639694421 = 31 ⋅214183691.

It is a super-4 number, since 4×1244969366⁴ (a number of 37 digits) contains 4444 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311242340 + ... + 311242343.

It is an arithmetic number, because the mean of its divisors is an integer number (466863513).

Almost surely, 2^1244969366 is an apocalyptic number.

1244969366 is a deficient number, since it is larger than the sum of its proper divisors (622484686).

1244969366 is an equidigital number, since it uses as much as digits as its factorization.

1244969366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622484685.

The product of its digits is 1679616, while the sum is 50.

The square root of 1244969366 is about 35284.1234268332. The cubic root of 1244969366 is about 1075.7703124250.

The spelling of 1244969366 in words is "one billion, two hundred forty-four million, nine hundred sixty-nine thousand, three hundred sixty-six".