197213828559 has 16 divisors (see below), whose sum is σ = 286914169344. Its totient is φ = 119499494400.

The previous prime is 197213828519. The next prime is 197213828569. The reversal of 197213828559 is 955828312791.

It is not a de Polignac number, because 197213828559 - 2³⁶ = 128494351823 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (197213828519) 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, 433687 + ... + 763224.

It is an arithmetic number, because the mean of its divisors is an integer number (17932135584).

Almost surely, 2^197213828559 is an apocalyptic number.

197213828559 is a deficient number, since it is larger than the sum of its proper divisors (89700340785).

197213828559 is a wasteful number, since it uses less digits than its factorization.

197213828559 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1201918.

The product of its digits is 10886400, while the sum is 60.

The spelling of 197213828559 in words is "one hundred ninety-seven billion, two hundred thirteen million, eight hundred twenty-eight thousand, five hundred fifty-nine".