3444531021 has 32 divisors (see below), whose sum is σ = 5253691520. Its totient is φ = 2228850432.

The previous prime is 3444531011. The next prime is 3444531029. The reversal of 3444531021 is 1201354443.

It is a happy number.

3444531021 is a `hidden beast` number, since 344 + 4 + 5 + 310 + 2 + 1 = 666.

It is not a de Polignac number, because 3444531021 - 2⁵ = 3444530989 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3444531029) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 428586 + ... + 436548.

It is an arithmetic number, because the mean of its divisors is an integer number (164177860).

Almost surely, 2^3444531021 is an apocalyptic number.

It is an amenable number.

3444531021 is a deficient number, since it is larger than the sum of its proper divisors (1809160499).

3444531021 is a wasteful number, since it uses less digits than its factorization.

3444531021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8442 (or 8436 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 27.

The square root of 3444531021 is about 58690.1271169181. The cubic root of 3444531021 is about 1510.2309517658.

Adding to 3444531021 its reverse (1201354443), we get a palindrome (4645885464).

The spelling of 3444531021 in words is "three billion, four hundred forty-four million, five hundred thirty-one thousand, twenty-one".