100389687226 has 8 divisors (see below), whose sum is σ = 153425748564. Its totient is φ = 49247771040.

The previous prime is 100389687221. The next prime is 100389687241. The reversal of 100389687226 is 622786983001.

It can be written as a sum of positive squares in 2 ways, for example, as 100188075625 + 201611601 = 316525^2 + 14199^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (100389687221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 473536155 + ... + 473536366.

Almost surely, 2^100389687226 is an apocalyptic number.

100389687226 is a deficient number, since it is larger than the sum of its proper divisors (53036061338).

100389687226 is an equidigital number, since it uses as much as digits as its factorization.

100389687226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 947072576.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The spelling of 100389687226 in words is "one hundred billion, three hundred eighty-nine million, six hundred eighty-seven thousand, two hundred twenty-six".