6441099100 has 72 divisors (see below), whose sum is σ = 14314708800. Its totient is φ = 2514969600.

The previous prime is 6441099079. The next prime is 6441099127. The reversal of 6441099100 is 19901446.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 698520 + ... + 707680.

It is an arithmetic number, because the mean of its divisors is an integer number (198815400).

Almost surely, 2^6441099100 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6441099100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7157354400).

6441099100 is an abundant number, since it is smaller than the sum of its proper divisors (7873609700).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6441099100 is a wasteful number, since it uses less digits than its factorization.

6441099100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9343 (or 9336 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 34.

The square root of 6441099100 is about 80256.4583071045. The cubic root of 6441099100 is about 1860.6013298327.

The spelling of 6441099100 in words is "six billion, four hundred forty-one million, ninety-nine thousand, one hundred".