209058427364 has 6 divisors (see below), whose sum is σ = 365852247894. Its totient is φ = 104529213680.

The previous prime is 209058427289. The next prime is 209058427387. The reversal of 209058427364 is 463724850902.

209058427364 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 209039155264 + 19272100 = 457208^2 + 4390^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26132303417 + ... + 26132303424.

It is an arithmetic number, because the mean of its divisors is an integer number (60975374649).

Almost surely, 2^209058427364 is an apocalyptic number.

It is an amenable number.

209058427364 is a deficient number, since it is larger than the sum of its proper divisors (156793820530).

209058427364 is a wasteful number, since it uses less digits than its factorization.

209058427364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52264606845 (or 52264606843 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 50.

The spelling of 209058427364 in words is "two hundred nine billion, fifty-eight million, four hundred twenty-seven thousand, three hundred sixty-four".