2067564273 has 4 divisors (see below), whose sum is σ = 2756752368. Its totient is φ = 1378376180.

The previous prime is 2067564271. The next prime is 2067564281. The reversal of 2067564273 is 3724657602.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2067564273 - 2¹ = 2067564271 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2067564271) 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, 344594043 + ... + 344594048.

It is an arithmetic number, because the mean of its divisors is an integer number (689188092).

Almost surely, 2^2067564273 is an apocalyptic number.

It is an amenable number.

2067564273 is a deficient number, since it is larger than the sum of its proper divisors (689188095).

2067564273 is an equidigital number, since it uses as much as digits as its factorization.

2067564273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689188094.

The product of its (nonzero) digits is 423360, while the sum is 42.

The square root of 2067564273 is about 45470.4769383388. The cubic root of 2067564273 is about 1273.9518281196.

It can be divided in two parts, 20675 and 64273, that added together give a palindrome (84948).

The spelling of 2067564273 in words is "two billion, sixty-seven million, five hundred sixty-four thousand, two hundred seventy-three".