213738011 has 16 divisors (see below), whose sum is σ = 241132800. Its totient is φ = 188435808.

The previous prime is 213737989. The next prime is 213738017. The reversal of 213738011 is 110837312.

It is a cyclic number.

It is not a de Polignac number, because 213738011 - 2¹⁰ = 213736987 is a prime.

It is a super-2 number, since 2×213738011² = 91367874692472242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213738017) 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, 9560 + ... + 22778.

It is an arithmetic number, because the mean of its divisors is an integer number (15070800).

Almost surely, 2^213738011 is an apocalyptic number.

213738011 is a deficient number, since it is larger than the sum of its proper divisors (27394789).

213738011 is a wasteful number, since it uses less digits than its factorization.

213738011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13298.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 213738011 is about 14619.7814963152. The cubic root of 213738011 is about 597.8982118150.

The spelling of 213738011 in words is "two hundred thirteen million, seven hundred thirty-eight thousand, eleven".