2064616321 has 4 divisors (see below), whose sum is σ = 2154382272. Its totient is φ = 1974850372.

The previous prime is 2064616297. The next prime is 2064616327. The reversal of 2064616321 is 1236164602.

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 2064616321 - 2⁷ = 2064616193 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2064616327) 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, 44882941 + ... + 44882986.

It is an arithmetic number, because the mean of its divisors is an integer number (538595568).

Almost surely, 2^2064616321 is an apocalyptic number.

It is an amenable number.

2064616321 is a deficient number, since it is larger than the sum of its proper divisors (89765951).

2064616321 is an equidigital number, since it uses as much as digits as its factorization.

2064616321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89765950.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 2064616321 is about 45438.0492649057. The cubic root of 2064616321 is about 1273.3460694172.

The spelling of 2064616321 in words is "two billion, sixty-four million, six hundred sixteen thousand, three hundred twenty-one".