2088390965 has 16 divisors (see below), whose sum is σ = 2570835456. Its totient is φ = 1627651200.

The previous prime is 2088390943. The next prime is 2088391009. The reversal of 2088390965 is 5690938802.

It is not a de Polignac number, because 2088390965 - 2¹⁴ = 2088374581 is a prime.

It is a super-2 number, since 2×2088390965² = 8722753645387262450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145460 + ... + 159170.

It is an arithmetic number, because the mean of its divisors is an integer number (160677216).

Almost surely, 2^2088390965 is an apocalyptic number.

It is an amenable number.

2088390965 is a deficient number, since it is larger than the sum of its proper divisors (482444491).

2088390965 is a wasteful number, since it uses less digits than its factorization.

2088390965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14500.

The product of its (nonzero) digits is 933120, while the sum is 50.

The square root of 2088390965 is about 45698.9164532377. The cubic root of 2088390965 is about 1278.2150749940.

The spelling of 2088390965 in words is "two billion, eighty-eight million, three hundred ninety thousand, nine hundred sixty-five".