2065432405 has 4 divisors (see below), whose sum is σ = 2478518892. Its totient is φ = 1652345920.

The previous prime is 2065432379. The next prime is 2065432417. The reversal of 2065432405 is 5042345602.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 861481201 + 1203951204 = 29351^2 + 34698^2 .

It is not a de Polignac number, because 2065432405 - 2¹¹ = 2065430357 is a prime.

It is a super-2 number, since 2×2065432405² = 8532022039248168050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206543236 + ... + 206543245.

It is an arithmetic number, because the mean of its divisors is an integer number (619629723).

Almost surely, 2^2065432405 is an apocalyptic number.

It is an amenable number.

2065432405 is a deficient number, since it is larger than the sum of its proper divisors (413086487).

2065432405 is an equidigital number, since it uses as much as digits as its factorization.

2065432405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 413086486.

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 2065432405 is about 45447.0285607321. The cubic root of 2065432405 is about 1273.5138197891.

The spelling of 2065432405 in words is "two billion, sixty-five million, four hundred thirty-two thousand, four hundred five".