33444645441 has 4 divisors (see below), whose sum is σ = 44592860592. Its totient is φ = 22296430292.

The previous prime is 33444645431. The next prime is 33444645449. The reversal of 33444645441 is 14454644433.

It is a happy number.

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: 14454644433 = 3 ⋅4818214811.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-33444645441 is a prime.

It is a super-2 number, since 2×33444645441² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 33444645393 and 33444645402.

It is not an unprimeable number, because it can be changed into a prime (33444645449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5574107571 + ... + 5574107576.

It is an arithmetic number, because the mean of its divisors is an integer number (11148215148).

Almost surely, 2^33444645441 is an apocalyptic number.

It is an amenable number.

33444645441 is a deficient number, since it is larger than the sum of its proper divisors (11148215151).

33444645441 is a wasteful number, since it uses less digits than its factorization.

33444645441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11148215150.

The product of its digits is 1105920, while the sum is 42.

The spelling of 33444645441 in words is "thirty-three billion, four hundred forty-four million, six hundred forty-five thousand, four hundred forty-one".