591100200242 has 4 divisors (see below), whose sum is σ = 886650300366. Its totient is φ = 295550100120.

The previous prime is 591100200233. The next prime is 591100200247. The reversal of 591100200242 is 242002001195.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 590839732921 + 260467321 = 768661^2 + 16139^2 .

It is a super-2 number, since 2×591100200242² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (591100200247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 147775050059 + ... + 147775050062.

Almost surely, 2^591100200242 is an apocalyptic number.

591100200242 is a deficient number, since it is larger than the sum of its proper divisors (295550100124).

591100200242 is a wasteful number, since it uses less digits than its factorization.

591100200242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 295550100123.

The product of its (nonzero) digits is 1440, while the sum is 26.

The spelling of 591100200242 in words is "five hundred ninety-one billion, one hundred million, two hundred thousand, two hundred forty-two".