213448708398 has 16 divisors (see below), whose sum is σ = 445458174336. Its totient is φ = 68056109880.

The previous prime is 213448708367. The next prime is 213448708411. The reversal of 213448708398 is 893807844312.

It is a super-2 number, since 2×213448708398² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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, 773364748 + ... + 773365023.

It is an arithmetic number, because the mean of its divisors is an integer number (27841135896).

Almost surely, 2^213448708398 is an apocalyptic number.

213448708398 is an abundant number, since it is smaller than the sum of its proper divisors (232009465938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

213448708398 is a wasteful number, since it uses less digits than its factorization.

213448708398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1546729799.

The product of its (nonzero) digits is 9289728, while the sum is 57.

The spelling of 213448708398 in words is "two hundred thirteen billion, four hundred forty-eight million, seven hundred eight thousand, three hundred ninety-eight".