209382737068 has 12 divisors (see below), whose sum is σ = 366457785232. Its totient is φ = 104680512720.

The previous prime is 209382737059. The next prime is 209382737089. The reversal of 209382737068 is 860737283902.

It is a super-2 number, since 2×209382737068² (a number of 23 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (55) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2670480 + ... + 2747767.

Almost surely, 2^209382737068 is an apocalyptic number.

It is an amenable number.

209382737068 is a deficient number, since it is larger than the sum of its proper divisors (157075048164).

209382737068 is a wasteful number, since it uses less digits than its factorization.

209382737068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5427912 (or 5427910 counting only the distinct ones).

The product of its (nonzero) digits is 6096384, while the sum is 55.

The spelling of 209382737068 in words is "two hundred nine billion, three hundred eighty-two million, seven hundred thirty-seven thousand, sixty-eight".