3454231021 has 4 divisors (see below), whose sum is σ = 3464016732. Its totient is φ = 3444445312.

The previous prime is 3454230991. The next prime is 3454231061. The reversal of 3454231021 is 1201324543.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2392188100 + 1062042921 = 48910^2 + 32589^2 .

It is a cyclic number.

It is not a de Polignac number, because 3454231021 - 2¹⁹ = 3453706733 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 (3454231061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4892326 + ... + 4893031.

It is an arithmetic number, because the mean of its divisors is an integer number (866004183).

Almost surely, 2^3454231021 is an apocalyptic number.

It is an amenable number.

3454231021 is a deficient number, since it is larger than the sum of its proper divisors (9785711).

3454231021 is an equidigital number, since it uses as much as digits as its factorization.

3454231021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9785710.

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 3454231021 is about 58772.7064290900. The cubic root of 3454231021 is about 1511.6472559087.

Adding to 3454231021 its reverse (1201324543), we get a palindrome (4655555564).

The spelling of 3454231021 in words is "three billion, four hundred fifty-four million, two hundred thirty-one thousand, twenty-one".