214169693 has 2 divisors, whose sum is σ = 214169694. Its totient is φ = 214169692.

The previous prime is 214169687. The next prime is 214169701. The reversal of 214169693 is 396961412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 142969849 + 71199844 = 11957^2 + 8438^2 .

It is a cyclic number.

It is not a de Polignac number, because 214169693 - 2⁴ = 214169677 is a prime.

It is equal to p_11818859 and since 214169693 and 11818859 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 214169693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (214169093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107084846 + 107084847.

It is an arithmetic number, because the mean of its divisors is an integer number (107084847).

Almost surely, 2^214169693 is an apocalyptic number.

It is an amenable number.

214169693 is a deficient number, since it is larger than the sum of its proper divisors (1).

214169693 is an equidigital number, since it uses as much as digits as its factorization.

214169693 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69984, while the sum is 41.

The square root of 214169693 is about 14634.5376763327. The cubic root of 214169693 is about 598.3004617915.

The spelling of 214169693 in words is "two hundred fourteen million, one hundred sixty-nine thousand, six hundred ninety-three".