213801069 has 16 divisors (see below), whose sum is σ = 287787200. Its totient is φ = 141181056.

The previous prime is 213801011. The next prime is 213801083. The reversal of 213801069 is 960108312.

It is not a de Polignac number, because 213801069 - 2¹⁷ = 213669997 is a prime.

It is a super-2 number, since 2×213801069² = 91421794211085522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213809069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199467 + ... + 200535.

It is an arithmetic number, because the mean of its divisors is an integer number (17986700).

Almost surely, 2^213801069 is an apocalyptic number.

It is an amenable number.

213801069 is a deficient number, since it is larger than the sum of its proper divisors (73986131).

213801069 is a wasteful number, since it uses less digits than its factorization.

213801069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 213801069 is about 14621.9379358552. The cubic root of 213801069 is about 597.9570042875.

The spelling of 213801069 in words is "two hundred thirteen million, eight hundred one thousand, sixty-nine".