213626121319 has 12 divisors (see below), whose sum is σ = 235533556776. Its totient is φ = 192607429392.

The previous prime is 213626121301. The next prime is 213626121367. The reversal of 213626121319 is 913121626312.

It is not a de Polignac number, because 213626121319 - 2¹⁷ = 213625990247 is a prime.

It is a super-2 number, since 2×213626121319² (a number of 23 digits) 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 (213626121019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4419657 + ... + 4467730.

It is an arithmetic number, because the mean of its divisors is an integer number (19627796398).

Almost surely, 2^213626121319 is an apocalyptic number.

213626121319 is a deficient number, since it is larger than the sum of its proper divisors (21907435457).

213626121319 is an equidigital number, since it uses as much as digits as its factorization.

213626121319 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8887486 (or 8887443 counting only the distinct ones).

The product of its digits is 23328, while the sum is 37.

The spelling of 213626121319 in words is "two hundred thirteen billion, six hundred twenty-six million, one hundred twenty-one thousand, three hundred nineteen".