2064316261 has 4 divisors (see below), whose sum is σ = 2359218592. Its totient is φ = 1769413932.

The previous prime is 2064316253. The next prime is 2064316277. The reversal of 2064316261 is 1626134602.

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 2064316261 - 2³ = 2064316253 is a prime.

It is a super-2 number, since 2×2064316261² = 8522803250858040242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2064316231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 147451155 + ... + 147451168.

It is an arithmetic number, because the mean of its divisors is an integer number (589804648).

Almost surely, 2^2064316261 is an apocalyptic number.

It is an amenable number.

2064316261 is a deficient number, since it is larger than the sum of its proper divisors (294902331).

2064316261 is an equidigital number, since it uses as much as digits as its factorization.

2064316261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294902330.

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

The square root of 2064316261 is about 45434.7472866307. The cubic root of 2064316261 is about 1273.2843793864.

The spelling of 2064316261 in words is "two billion, sixty-four million, three hundred sixteen thousand, two hundred sixty-one".