2190753305 has 8 divisors (see below), whose sum is σ = 2831127432. Its totient is φ = 1617787008.

The previous prime is 2190753259. The next prime is 2190753311. The reversal of 2190753305 is 5033570912.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 183982096 + 2006771209 = 13564^2 + 44797^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 2190753305 - 2⁶ = 2190753241 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 16851884 + ... + 16852013.

It is an arithmetic number, because the mean of its divisors is an integer number (353890929).

Almost surely, 2^2190753305 is an apocalyptic number.

It is an amenable number.

2190753305 is a deficient number, since it is larger than the sum of its proper divisors (640374127).

2190753305 is a wasteful number, since it uses less digits than its factorization.

2190753305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33703915.

The product of its (nonzero) digits is 28350, while the sum is 35.

The square root of 2190753305 is about 46805.4837065060. The cubic root of 2190753305 is about 1298.7667406813.

The spelling of 2190753305 in words is "two billion, one hundred ninety million, seven hundred fifty-three thousand, three hundred five".