214293700421 has 4 divisors (see below), whose sum is σ = 220085422092. Its totient is φ = 208501978752.

The previous prime is 214293700417. The next prime is 214293700457. The reversal of 214293700421 is 124007392412.

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 121975562500 + 92318137921 = 349250^2 + 303839^2 .

It is a cyclic number.

It is not a de Polignac number, because 214293700421 - 2² = 214293700417 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 (214293700321) 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, 2895860780 + ... + 2895860853.

It is an arithmetic number, because the mean of its divisors is an integer number (55021355523).

Almost surely, 2^214293700421 is an apocalyptic number.

It is an amenable number.

214293700421 is a deficient number, since it is larger than the sum of its proper divisors (5791721671).

214293700421 is an equidigital number, since it uses as much as digits as its factorization.

214293700421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5791721670.

The product of its (nonzero) digits is 24192, while the sum is 35.

The spelling of 214293700421 in words is "two hundred fourteen billion, two hundred ninety-three million, seven hundred thousand, four hundred twenty-one".