2064613753261 has 8 divisors (see below), whose sum is σ = 2067250850784. Its totient is φ = 2061976882320.

The previous prime is 2064613753249. The next prime is 2064613753273. The reversal of 2064613753261 is 1623573164602.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2064613753249) and next prime (2064613753273).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2064613753261 - 2²⁵ = 2064580198829 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 (2064613751261) 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 7 ways as a sum of consecutive naturals, for example, 25422426 + ... + 25503508.

It is an arithmetic number, because the mean of its divisors is an integer number (258406356348).

Almost surely, 2^{2064613753261} is an apocalyptic number.

It is an amenable number.

2064613753261 is a deficient number, since it is larger than the sum of its proper divisors (2637097523).

2064613753261 is an equidigital number, since it uses as much as digits as its factorization.

2064613753261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113291.

The product of its (nonzero) digits is 1088640, while the sum is 46.

The spelling of 2064613753261 in words is "two trillion, sixty-four billion, six hundred thirteen million, seven hundred fifty-three thousand, two hundred sixty-one".