3444019991 has 4 divisors (see below), whose sum is σ = 3465149112. Its totient is φ = 3422890872.

The previous prime is 3444019973. The next prime is 3444020003. The reversal of 3444019991 is 1999104443.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3444019991 - 2²² = 3439825687 is a prime.

It is a super-2 number, since 2×3444019991² = 23722547396815280162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3444019951) 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, 10564316 + ... + 10564641.

It is an arithmetic number, because the mean of its divisors is an integer number (866287278).

Almost surely, 2^3444019991 is an apocalyptic number.

3444019991 is a deficient number, since it is larger than the sum of its proper divisors (21129121).

3444019991 is a wasteful number, since it uses less digits than its factorization.

3444019991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21129120.

The product of its (nonzero) digits is 139968, while the sum is 44.

The square root of 3444019991 is about 58685.7733271020. The cubic root of 3444019991 is about 1510.1562622083.

The spelling of 3444019991 in words is "three billion, four hundred forty-four million, nineteen thousand, nine hundred ninety-one".