3448237645 has 4 divisors (see below), whose sum is σ = 4137885180. Its totient is φ = 2758590112.

The previous prime is 3448237633. The next prime is 3448237651. The reversal of 3448237645 is 5467328443.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5467328443 = 29 ⋅188528567.

It can be written as a sum of positive squares in 2 ways, for example, as 545829769 + 2902407876 = 23363^2 + 53874^2 .

It is a cyclic number.

It is not a de Polignac number, because 3448237645 - 2¹⁷ = 3448106573 is a prime.

It is a super-3 number, since 3×3448237645³ (a number of 30 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3448237595 and 3448237604.

It is a congruent number.

It is an unprimeable number.

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, 344823760 + ... + 344823769.

It is an arithmetic number, because the mean of its divisors is an integer number (1034471295).

Almost surely, 2^3448237645 is an apocalyptic number.

It is an amenable number.

3448237645 is a deficient number, since it is larger than the sum of its proper divisors (689647535).

3448237645 is an equidigital number, since it uses as much as digits as its factorization.

3448237645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689647534.

The product of its digits is 1935360, while the sum is 46.

The square root of 3448237645 is about 58721.6965439521. The cubic root of 3448237645 is about 1510.7724721764.

It can be divided in two parts, 34482 and 37645, that added together give a palindrome (72127).

The spelling of 3448237645 in words is "three billion, four hundred forty-eight million, two hundred thirty-seven thousand, six hundred forty-five".