3421881243 has 24 divisors (see below), whose sum is σ = 5413576896. Its totient is φ = 2065590000.

The previous prime is 3421881191. The next prime is 3421881271.

It is a happy number.

3421881243 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 3421881243 - 2¹⁰ = 3421880219 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3421881198 and 3421881207.

It is not an unprimeable number, because it can be changed into a prime (3421881283) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 44005 + ... + 93702.

It is an arithmetic number, because the mean of its divisors is an integer number (225565704).

Almost surely, 2^3421881243 is an apocalyptic number.

3421881243 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

3421881243 is a deficient number, since it is larger than the sum of its proper divisors (1991695653).

3421881243 is a wasteful number, since it uses less digits than its factorization.

3421881243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137975 (or 137972 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 3421881243 is about 58496.8481458617. The cubic root of 3421881243 is about 1506.9134564599.

The spelling of 3421881243 in words is "three billion, four hundred twenty-one million, eight hundred eighty-one thousand, two hundred forty-three".