2101950316544 has 64 divisors (see below), whose sum is σ = 4527209441580. Its totient is φ = 970130718720.

The previous prime is 2101950316523. The next prime is 2101950316559. The reversal of 2101950316544 is 4456130591012.

It can be written as a sum of positive squares in 2 ways, for example, as 2016854425600 + 85095890944 = 1420160^2 + 291712^2 .

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2041187 + ... + 2893154.

Almost surely, 2^{2101950316544} is an apocalyptic number.

It is an amenable number.

2101950316544 is an abundant number, since it is smaller than the sum of its proper divisors (2425259125036).

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

2101950316544 is an frugal number, since it uses more digits than its factorization.

2101950316544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4934384 (or 4934356 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 41.

The spelling of 2101950316544 in words is "two trillion, one hundred one billion, nine hundred fifty million, three hundred sixteen thousand, five hundred forty-four".