3213473686869 has 8 divisors (see below), whose sum is σ = 4284673685440. Its totient is φ = 2142294739776.

The previous prime is 3213473686859. The next prime is 3213473686873. The reversal of 3213473686869 is 9686863743123.

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

It is not a de Polignac number, because 3213473686869 - 2²⁰ = 3213472638293 is a prime.

It is a super-2 number, since 2×3213473686869² (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 (3213473686849) 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, 4903177 + ... + 5519790.

It is an arithmetic number, because the mean of its divisors is an integer number (535584210680).

Almost surely, 2^{3213473686869} is an apocalyptic number.

It is an amenable number.

3213473686869 is a deficient number, since it is larger than the sum of its proper divisors (1071199998571).

3213473686869 is a wasteful number, since it uses less digits than its factorization.

3213473686869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10525739.

The product of its digits is 188116992, while the sum is 66.

The spelling of 3213473686869 in words is "three trillion, two hundred thirteen billion, four hundred seventy-three million, six hundred eighty-six thousand, eight hundred sixty-nine".