214280970109 has 4 divisors (see below), whose sum is σ = 214815337020. Its totient is φ = 213746603200.

The previous prime is 214280970049. The next prime is 214280970121. The reversal of 214280970109 is 901079082412.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 197282547225 + 16998422884 = 444165^2 + 130378^2 .

It is a cyclic number.

It is not a de Polignac number, because 214280970109 - 2⁹ = 214280969597 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 (214280170109) 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, 267182854 + ... + 267183655.

It is an arithmetic number, because the mean of its divisors is an integer number (53703834255).

Almost surely, 2^214280970109 is an apocalyptic number.

It is an amenable number.

214280970109 is a deficient number, since it is larger than the sum of its proper divisors (534366911).

214280970109 is an equidigital number, since it uses as much as digits as its factorization.

214280970109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534366910.

The product of its (nonzero) digits is 72576, while the sum is 43.

The spelling of 214280970109 in words is "two hundred fourteen billion, two hundred eighty million, nine hundred seventy thousand, one hundred nine".