4194869863686 has 32 divisors (see below), whose sum is σ = 8402134456320. Its totient is φ = 1396224432864.

The previous prime is 4194869863577. The next prime is 4194869863699. The reversal of 4194869863686 is 6863689684914.

It is a super-2 number, since 2×4194869863686² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97663131 + ... + 97706073.

It is an arithmetic number, because the mean of its divisors is an integer number (262566701760).

Almost surely, 2^{4194869863686} is an apocalyptic number.

4194869863686 is an abundant number, since it is smaller than the sum of its proper divisors (4207264592634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4194869863686 is a wasteful number, since it uses less digits than its factorization.

4194869863686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66620.

The product of its digits is 2579890176, while the sum is 78.

The spelling of 4194869863686 in words is "four trillion, one hundred ninety-four billion, eight hundred sixty-nine million, eight hundred sixty-three thousand, six hundred eighty-six".