213027801733 has 8 divisors (see below), whose sum is σ = 213718178520. Its totient is φ = 212338414080.

The previous prime is 213027801709. The next prime is 213027801769. The reversal of 213027801733 is 337108720312.

It can be written as a sum of positive squares in 4 ways, for example, as 25267645764 + 187760155969 = 158958^2 + 433313^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 213027801733 - 2¹³ = 213027793541 is a prime.

It is a super-2 number, since 2×213027801733² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 213027801692 and 213027801701.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (213027801433) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 185373 + ... + 678541.

It is an arithmetic number, because the mean of its divisors is an integer number (26714772315).

Almost surely, 2^213027801733 is an apocalyptic number.

It is an amenable number.

213027801733 is a deficient number, since it is larger than the sum of its proper divisors (690376787).

213027801733 is an equidigital number, since it uses as much as digits as its factorization.

213027801733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494567.

The product of its (nonzero) digits is 42336, while the sum is 37.

The spelling of 213027801733 in words is "two hundred thirteen billion, twenty-seven million, eight hundred one thousand, seven hundred thirty-three".