100448000639 has 4 divisors (see below), whose sum is σ = 114797715024. Its totient is φ = 86098286256.

The previous prime is 100448000633. The next prime is 100448000677. The reversal of 100448000639 is 936000844001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 936000844001 = 379 ⋅2469659219.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100448000639 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 100448000599 and 100448000608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (100448000633) 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, 7174857182 + ... + 7174857195.

It is an arithmetic number, because the mean of its divisors is an integer number (28699428756).

Almost surely, 2^100448000639 is an apocalyptic number.

100448000639 is a deficient number, since it is larger than the sum of its proper divisors (14349714385).

100448000639 is an equidigital number, since it uses as much as digits as its factorization.

100448000639 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14349714384.

The product of its (nonzero) digits is 20736, while the sum is 35.

The spelling of 100448000639 in words is "one hundred billion, four hundred forty-eight million, six hundred thirty-nine", and thus it is an aban number.