2099143715905 has 32 divisors (see below), whose sum is σ = 2558345358240. Its totient is φ = 1653261926400.

The previous prime is 2099143715821. The next prime is 2099143715923. The reversal of 2099143715905 is 5095173419902.

It can be written as a sum of positive squares in 16 ways, for example, as 261416441521 + 1837727274384 = 511289^2 + 1355628^2 .

It is not a de Polignac number, because 2099143715905 - 2⁷ = 2099143715777 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 133381197 + ... + 133396933.

It is an arithmetic number, because the mean of its divisors is an integer number (79948292445).

Almost surely, 2^{2099143715905} is an apocalyptic number.

It is an amenable number.

2099143715905 is a deficient number, since it is larger than the sum of its proper divisors (459201642335).

2099143715905 is a wasteful number, since it uses less digits than its factorization.

2099143715905 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17269.

The product of its (nonzero) digits is 3061800, while the sum is 55.

The spelling of 2099143715905 in words is "two trillion, ninety-nine billion, one hundred forty-three million, seven hundred fifteen thousand, nine hundred five".