209466926632 has 16 divisors (see below), whose sum is σ = 393602447700. Its totient is φ = 104506273920.

The previous prime is 209466926629. The next prime is 209466926681. The reversal of 209466926632 is 236629664902.

It can be written as a sum of positive squares in 2 ways, for example, as 198653838436 + 10813088196 = 445706^2 + 103986^2 .

It is a super-3 number, since 3×209466926632³ (a number of 35 digits) contains 333 as substring.

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, 28394757 + ... + 28402132.

Almost surely, 2^209466926632 is an apocalyptic number.

It is an amenable number.

209466926632 is a deficient number, since it is larger than the sum of its proper divisors (184135521068).

209466926632 is a wasteful number, since it uses less digits than its factorization.

209466926632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56797356 (or 56797352 counting only the distinct ones).

The product of its (nonzero) digits is 10077696, while the sum is 55.

The spelling of 209466926632 in words is "two hundred nine billion, four hundred sixty-six million, nine hundred twenty-six thousand, six hundred thirty-two".