2101944370 has 8 divisors (see below), whose sum is σ = 3783499884. Its totient is φ = 840777744.

The previous prime is 2101944329. The next prime is 2101944391. The reversal of 2101944370 is 734491012.

It can be written as a sum of positive squares in 2 ways, for example, as 2079086409 + 22857961 = 45597^2 + 4781^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105097209 + ... + 105097228.

Almost surely, 2^2101944370 is an apocalyptic number.

2101944370 is a deficient number, since it is larger than the sum of its proper divisors (1681555514).

2101944370 is a wasteful number, since it uses less digits than its factorization.

2101944370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210194444.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 2101944370 is about 45846.9668571433. The cubic root of 2101944370 is about 1280.9742684227.

The spelling of 2101944370 in words is "two billion, one hundred one million, nine hundred forty-four thousand, three hundred seventy".