3420344343215 has 8 divisors (see below), whose sum is σ = 4104521795040. Its totient is φ = 2736203085792.

The previous prime is 3420344343211. The next prime is 3420344343217. The reversal of 3420344343215 is 5123434430243.

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

It is a cyclic number.

It is not a de Polignac number, because 3420344343215 - 2² = 3420344343211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420344343211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8840264 + ... + 9219053.

It is an arithmetic number, because the mean of its divisors is an integer number (513065224380).

Almost surely, 2^{3420344343215} is an apocalyptic number.

3420344343215 is a deficient number, since it is larger than the sum of its proper divisors (684177451825).

3420344343215 is a wasteful number, since it uses less digits than its factorization.

3420344343215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18097201.

The product of its (nonzero) digits is 414720, while the sum is 38.

Adding to 3420344343215 its reverse (5123434430243), we get a palindrome (8543778773458).

The spelling of 3420344343215 in words is "three trillion, four hundred twenty billion, three hundred forty-four million, three hundred forty-three thousand, two hundred fifteen".