214123946109 has 4 divisors (see below), whose sum is σ = 285498594816. Its totient is φ = 142749297404.

The previous prime is 214123946081. The next prime is 214123946129. The reversal of 214123946109 is 901649321412.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 214123946109 - 2⁸ = 214123945853 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214123946129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35687324349 + ... + 35687324354.

It is an arithmetic number, because the mean of its divisors is an integer number (71374648704).

Almost surely, 2^214123946109 is an apocalyptic number.

It is an amenable number.

214123946109 is a deficient number, since it is larger than the sum of its proper divisors (71374648707).

214123946109 is an equidigital number, since it uses as much as digits as its factorization.

214123946109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71374648706.

The product of its (nonzero) digits is 93312, while the sum is 42.

The spelling of 214123946109 in words is "two hundred fourteen billion, one hundred twenty-three million, nine hundred forty-six thousand, one hundred nine".