3453135021 has 24 divisors (see below), whose sum is σ = 5750871360. Its totient is φ = 1955753856.

The previous prime is 3453135019. The next prime is 3453135029. The reversal of 3453135021 is 1205313543.

3453135021 is a `hidden beast` number, since 345 + 313 + 5 + 0 + 2 + 1 = 666.

It is not a de Polignac number, because 3453135021 - 2¹ = 3453135019 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3453135029) 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 23 ways as a sum of consecutive naturals, for example, 235411 + ... + 249648.

It is an arithmetic number, because the mean of its divisors is an integer number (239619640).

Almost surely, 2^3453135021 is an apocalyptic number.

It is an amenable number.

3453135021 is a deficient number, since it is larger than the sum of its proper divisors (2297736339).

3453135021 is a wasteful number, since it uses less digits than its factorization.

3453135021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485185 (or 485182 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 3453135021 is about 58763.3816334629. The cubic root of 3453135021 is about 1511.4873611170.

Adding to 3453135021 its reverse (1205313543), we get a palindrome (4658448564).

The spelling of 3453135021 in words is "three billion, four hundred fifty-three million, one hundred thirty-five thousand, twenty-one".