2064323053945 has 4 divisors (see below), whose sum is σ = 2477187664740. Its totient is φ = 1651458443152.

The previous prime is 2064323053873. The next prime is 2064323053981. The reversal of 2064323053945 is 5493503234602.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1646060774121 + 418262279824 = 1282989^2 + 646732^2 .

It is a cyclic number.

It is not a de Polignac number, because 2064323053945 - 2¹³ = 2064323045753 is a prime.

It is a super-2 number, since 2×2064323053945² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2064323053895 and 2064323053904.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206432305390 + ... + 206432305399.

It is an arithmetic number, because the mean of its divisors is an integer number (619296916185).

Almost surely, 2^{2064323053945} is an apocalyptic number.

It is an amenable number.

2064323053945 is a deficient number, since it is larger than the sum of its proper divisors (412864610795).

2064323053945 is an equidigital number, since it uses as much as digits as its factorization.

2064323053945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412864610794.

The product of its (nonzero) digits is 2332800, while the sum is 46.

The spelling of 2064323053945 in words is "two trillion, sixty-four billion, three hundred twenty-three million, fifty-three thousand, nine hundred forty-five".