3438366449 has 4 divisors (see below), whose sum is σ = 3929561664. Its totient is φ = 2947171236.

The previous prime is 3438366431. The next prime is 3438366461. The reversal of 3438366449 is 9446638343.

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, and also an emirpimes, since its reverse is a distinct semiprime: 9446638343 = 3361 ⋅2810663.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3438366449 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3438366397 and 3438366406.

It is not an unprimeable number, because it can be changed into a prime (3438366949) 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, 245597597 + ... + 245597610.

It is an arithmetic number, because the mean of its divisors is an integer number (982390416).

Almost surely, 2^3438366449 is an apocalyptic number.

It is an amenable number.

3438366449 is a deficient number, since it is larger than the sum of its proper divisors (491195215).

3438366449 is an equidigital number, since it uses as much as digits as its factorization.

3438366449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 491195214.

The product of its digits is 4478976, while the sum is 50.

The square root of 3438366449 is about 58637.5856341306. The cubic root of 3438366449 is about 1509.3294756956.

The spelling of 3438366449 in words is "three billion, four hundred thirty-eight million, three hundred sixty-six thousand, four hundred forty-nine".