3420506879999 has 8 divisors (see below), whose sum is σ = 3731484412800. Its totient is φ = 3109533074200.

The previous prime is 3420506879989. The next prime is 3420506880001. The reversal of 3420506879999 is 9999786050243.

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 3420506879999 - 2²⁰ = 3420505831423 is a prime.

It is a super-2 number, since 2×3420506879999² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3420506879939) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1199102 + ... + 2877300.

It is an arithmetic number, because the mean of its divisors is an integer number (466435551600).

Almost surely, 2^{3420506879999} is an apocalyptic number.

3420506879999 is a deficient number, since it is larger than the sum of its proper divisors (310977532801).

3420506879999 is a wasteful number, since it uses less digits than its factorization.

3420506879999 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1863501.

The product of its (nonzero) digits is 264539520, while the sum is 71.

The spelling of 3420506879999 in words is "three trillion, four hundred twenty billion, five hundred six million, eight hundred seventy-nine thousand, nine hundred ninety-nine".