3487448447843 has 4 divisors (see below), whose sum is σ = 3487474739448. Its totient is φ = 3487422156240.

The previous prime is 3487448447801. The next prime is 3487448447849.

It is a happy number.

3487448447843 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 3487448447843 - 2¹² = 3487448443747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3487448447849) 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, 12945821 + ... + 13212462.

It is an arithmetic number, because the mean of its divisors is an integer number (871868684862).

Almost surely, 2^{3487448447843} is an apocalyptic number.

3487448447843 is a deficient number, since it is larger than the sum of its proper divisors (26291605).

3487448447843 is a wasteful number, since it uses less digits than its factorization.

3487448447843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26291604.

The product of its digits is 924844032, while the sum is 68.

The spelling of 3487448447843 in words is "three trillion, four hundred eighty-seven billion, four hundred forty-eight million, four hundred forty-seven thousand, eight hundred forty-three".