3234021645 has 16 divisors (see below), whose sum is σ = 5175141120. Its totient is φ = 1724576064.

The previous prime is 3234021643. The next prime is 3234021647. The reversal of 3234021645 is 5461204323.

It is an interprime number because it is at equal distance from previous prime (3234021643) and next prime (3234021647).

It is not a de Polignac number, because 3234021645 - 2¹ = 3234021643 is a prime.

It is a super-3 number, since 3×3234021645³ (a number of 30 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3234021641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197772 + ... + 213498.

It is an arithmetic number, because the mean of its divisors is an integer number (323446320).

Almost surely, 2^3234021645 is an apocalyptic number.

It is an amenable number.

3234021645 is a deficient number, since it is larger than the sum of its proper divisors (1941119475).

3234021645 is a wasteful number, since it uses less digits than its factorization.

3234021645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29444.

The product of its (nonzero) digits is 17280, while the sum is 30.

The square root of 3234021645 is about 56868.4591403706. The cubic root of 3234021645 is about 1478.8165675040.

Adding to 3234021645 its reverse (5461204323), we get a palindrome (8695225968).

The spelling of 3234021645 in words is "three billion, two hundred thirty-four million, twenty-one thousand, six hundred forty-five".