7435441021 has 12 divisors (see below), whose sum is σ = 7541781696. Its totient is φ = 7329953000.

The previous prime is 7435441001. The next prime is 7435441043. The reversal of 7435441021 is 1201445347.

It is not a de Polignac number, because 7435441021 - 2¹⁷ = 7435309949 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7435441001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6740556 + ... + 6741658.

It is an arithmetic number, because the mean of its divisors is an integer number (628481808).

Almost surely, 2^7435441021 is an apocalyptic number.

It is an amenable number.

7435441021 is a deficient number, since it is larger than the sum of its proper divisors (106340675).

7435441021 is a wasteful number, since it uses less digits than its factorization.

7435441021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1712 (or 1461 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 31.

The square root of 7435441021 is about 86229.0033631376. The cubic root of 7435441021 is about 1951.8011866017.

Adding to 7435441021 its reverse (1201445347), we get a palindrome (8636886368).

The spelling of 7435441021 in words is "seven billion, four hundred thirty-five million, four hundred forty-one thousand, twenty-one".