2064353926769 has 4 divisors (see below), whose sum is σ = 2064649221120. Its totient is φ = 2064058632420.

The previous prime is 2064353926757. The next prime is 2064353926799. The reversal of 2064353926769 is 9676293534602.

It is a happy number.

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 2064353926769 - 2²⁰ = 2064352878193 is a prime.

It is a super-2 number, since 2×2064353926769² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2064353926799) 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, 147636689 + ... + 147650670.

It is an arithmetic number, because the mean of its divisors is an integer number (516162305280).

Almost surely, 2^{2064353926769} is an apocalyptic number.

It is an amenable number.

2064353926769 is a deficient number, since it is larger than the sum of its proper divisors (295294351).

2064353926769 is an equidigital number, since it uses as much as digits as its factorization.

2064353926769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295294350.

The product of its (nonzero) digits is 88179840, while the sum is 62.

The spelling of 2064353926769 in words is "two trillion, sixty-four billion, three hundred fifty-three million, nine hundred twenty-six thousand, seven hundred sixty-nine".