2065580354 has 4 divisors (see below), whose sum is σ = 3098370534. Its totient is φ = 1032790176.

The previous prime is 2065580347. The next prime is 2065580357. The reversal of 2065580354 is 4530855602.

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

It can be written as a sum of positive squares in only one way, i.e., 1795471129 + 270109225 = 42373^2 + 16435^2 .

It is not an unprimeable number, because it can be changed into a prime (2065580357) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 516395087 + ... + 516395090.

Almost surely, 2^2065580354 is an apocalyptic number.

2065580354 is a deficient number, since it is larger than the sum of its proper divisors (1032790180).

2065580354 is a wasteful number, since it uses less digits than its factorization.

2065580354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1032790179.

The product of its (nonzero) digits is 144000, while the sum is 38.

The square root of 2065580354 is about 45448.6562397614. The cubic root of 2065580354 is about 1273.5442267549.

The spelling of 2065580354 in words is "two billion, sixty-five million, five hundred eighty thousand, three hundred fifty-four".