2064505136423 has 4 divisors (see below), whose sum is σ = 2064559516368. Its totient is φ = 2064450756480.

The previous prime is 2064505136417. The next prime is 2064505136429. The reversal of 2064505136423 is 3246315054602.

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

It is an interprime number because it is at equal distance from previous prime (2064505136417) and next prime (2064505136429).

It is a cyclic number.

It is not a de Polignac number, because 2064505136423 - 2⁸ = 2064505136167 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 (2064505136429) 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, 27132986 + ... + 27208967.

It is an arithmetic number, because the mean of its divisors is an integer number (516139879092).

Almost surely, 2^{2064505136423} is an apocalyptic number.

2064505136423 is a deficient number, since it is larger than the sum of its proper divisors (54379945).

2064505136423 is an equidigital number, since it uses as much as digits as its factorization.

2064505136423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54379944.

The product of its (nonzero) digits is 518400, while the sum is 41.

The spelling of 2064505136423 in words is "two trillion, sixty-four billion, five hundred five million, one hundred thirty-six thousand, four hundred twenty-three".