214169807813 has 32 divisors (see below), whose sum is σ = 245998238976. Its totient is φ = 184707929088.

The previous prime is 214169807807. The next prime is 214169807833. The reversal of 214169807813 is 318708961412.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 214169807813 - 2¹⁰ = 214169806789 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214169807833) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31478270 + ... + 31485072.

It is an arithmetic number, because the mean of its divisors is an integer number (7687444968).

Almost surely, 2^214169807813 is an apocalyptic number.

It is an amenable number.

214169807813 is a deficient number, since it is larger than the sum of its proper divisors (31828431163).

214169807813 is a wasteful number, since it uses less digits than its factorization.

214169807813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7853.

The product of its (nonzero) digits is 580608, while the sum is 50.

The spelling of 214169807813 in words is "two hundred fourteen billion, one hundred sixty-nine million, eight hundred seven thousand, eight hundred thirteen".