2065548567 has 4 divisors (see below), whose sum is σ = 2754064760. Its totient is φ = 1377032376.

The previous prime is 2065548547. The next prime is 2065548587. The reversal of 2065548567 is 7658455602.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (2065548547) and next prime (2065548587).

It is not a de Polignac number, because 2065548567 - 2¹² = 2065544471 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2065548547) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344258092 + ... + 344258097.

It is an arithmetic number, because the mean of its divisors is an integer number (688516190).

Almost surely, 2^2065548567 is an apocalyptic number.

2065548567 is a deficient number, since it is larger than the sum of its proper divisors (688516193).

2065548567 is an equidigital number, since it uses as much as digits as its factorization.

2065548567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688516192.

The product of its (nonzero) digits is 2016000, while the sum is 48.

The square root of 2065548567 is about 45448.3065361076. The cubic root of 2065548567 is about 1273.5376939085.

The spelling of 2065548567 in words is "two billion, sixty-five million, five hundred forty-eight thousand, five hundred sixty-seven".