3448448641 has 4 divisors (see below), whose sum is σ = 3761943984. Its totient is φ = 3134953300.

The previous prime is 3448448603. The next prime is 3448448651. The reversal of 3448448641 is 1468448443.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3448448641 - 2¹¹ = 3448446593 is a prime.

It is a super-2 number, since 2×3448448641² = 23783596059229493762, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3448448591 and 3448448600.

It is not an unprimeable number, because it can be changed into a prime (3448448651) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 156747655 + ... + 156747676.

It is an arithmetic number, because the mean of its divisors is an integer number (940485996).

Almost surely, 2^3448448641 is an apocalyptic number.

It is an amenable number.

3448448641 is a deficient number, since it is larger than the sum of its proper divisors (313495343).

3448448641 is a wasteful number, since it uses less digits than its factorization.

3448448641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313495342.

The product of its digits is 1179648, while the sum is 46.

The square root of 3448448641 is about 58723.4930926286. The cubic root of 3448448641 is about 1510.8032860278.

The spelling of 3448448641 in words is "three billion, four hundred forty-eight million, four hundred forty-eight thousand, six hundred forty-one".