100438908866445 has 8 divisors (see below), whose sum is σ = 160702254186336. Its totient is φ = 53567418062096.

The previous prime is 100438908866431. The next prime is 100438908866459. The reversal of 100438908866445 is 544668809834001.

It is an interprime number because it is at equal distance from previous prime (100438908866431) and next prime (100438908866459).

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

It is a cyclic number.

It is not a de Polignac number, because 100438908866445 - 2⁸ = 100438908866189 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3347963628867 + ... + 3347963628896.

It is an arithmetic number, because the mean of its divisors is an integer number (20087781773292).

Almost surely, 2^{100438908866445} is an apocalyptic number.

100438908866445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

100438908866445 is a deficient number, since it is larger than the sum of its proper divisors (60263345319891).

100438908866445 is an equidigital number, since it uses as much as digits as its factorization.

100438908866445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6695927257771.

The product of its (nonzero) digits is 159252480, while the sum is 66.

The spelling of 100438908866445 in words is "one hundred trillion, four hundred thirty-eight billion, nine hundred eight million, eight hundred sixty-six thousand, four hundred forty-five".