1393264441 has 4 divisors (see below), whose sum is σ = 1406285712. Its totient is φ = 1380243172.

The previous prime is 1393264423. The next prime is 1393264451. The reversal of 1393264441 is 1444623931.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1444623931 = 5147 ⋅280673.

It is a cyclic number.

It is not a de Polignac number, because 1393264441 - 2¹⁷ = 1393133369 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 1393264441.

It is not an unprimeable number, because it can be changed into a prime (1393264421) 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, 6510475 + ... + 6510688.

It is an arithmetic number, because the mean of its divisors is an integer number (351571428).

Almost surely, 2^1393264441 is an apocalyptic number.

It is an amenable number.

1393264441 is a deficient number, since it is larger than the sum of its proper divisors (13021271).

1393264441 is a wasteful number, since it uses less digits than its factorization.

1393264441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13021270.

The product of its digits is 62208, while the sum is 37.

The square root of 1393264441 is about 37326.4576540555. The cubic root of 1393264441 is about 1116.8920107289.

The spelling of 1393264441 in words is "one billion, three hundred ninety-three million, two hundred sixty-four thousand, four hundred forty-one".