213483398299257 has 16 divisors (see below), whose sum is σ = 287582453307072. Its totient is φ = 140853339540480.

The previous prime is 213483398299247. The next prime is 213483398299273. The reversal of 213483398299257 is 752992893384312.

It is not a de Polignac number, because 213483398299257 - 2¹⁴ = 213483398282873 is a prime.

It is a super-2 number, since 2×213483398299257² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (213483398299217) 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, 20196157 + ... + 28893797.

It is an arithmetic number, because the mean of its divisors is an integer number (17973903331692).

Almost surely, 2^{213483398299257} is an apocalyptic number.

It is an amenable number.

213483398299257 is a deficient number, since it is larger than the sum of its proper divisors (74099055007815).

213483398299257 is an equidigital number, since it uses as much as digits as its factorization.

213483398299257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8782088.

The product of its digits is 1410877440, while the sum is 75.

The spelling of 213483398299257 in words is "two hundred thirteen trillion, four hundred eighty-three billion, three hundred ninety-eight million, two hundred ninety-nine thousand, two hundred fifty-seven".