2090275665 has 8 divisors (see below), whose sum is σ = 3344441088. Its totient is φ = 1114813680.

The previous prime is 2090275643. The next prime is 2090275667. The reversal of 2090275665 is 5665720902.

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

It is not a de Polignac number, because 2090275665 - 2¹² = 2090271569 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2090275667) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69675841 + ... + 69675870.

It is an arithmetic number, because the mean of its divisors is an integer number (418055136).

Almost surely, 2^2090275665 is an apocalyptic number.

It is an amenable number.

2090275665 is a deficient number, since it is larger than the sum of its proper divisors (1254165423).

2090275665 is a wasteful number, since it uses less digits than its factorization.

2090275665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139351719.

The product of its (nonzero) digits is 226800, while the sum is 42.

The square root of 2090275665 is about 45719.5326419682. The cubic root of 2090275665 is about 1278.5994742214.

The spelling of 2090275665 in words is "two billion, ninety million, two hundred seventy-five thousand, six hundred sixty-five".