3447978220419 has 8 divisors (see below), whose sum is σ = 4615192638480. Its totient is φ = 2289707974656.

The previous prime is 3447978220343. The next prime is 3447978220429. The reversal of 3447978220419 is 9140228797443.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3447978220419 - 2⁸ = 3447978220163 is a prime.

It is a super-2 number, since 2×3447978220419² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3447978220429) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2236042174 + ... + 2236043715.

It is an arithmetic number, because the mean of its divisors is an integer number (576899079810).

Almost surely, 2^{3447978220419} is an apocalyptic number.

3447978220419 is a deficient number, since it is larger than the sum of its proper divisors (1167214418061).

3447978220419 is a wasteful number, since it uses less digits than its factorization.

3447978220419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4472086149.

The product of its (nonzero) digits is 24385536, while the sum is 60.

The spelling of 3447978220419 in words is "three trillion, four hundred forty-seven billion, nine hundred seventy-eight million, two hundred twenty thousand, four hundred nineteen".