2005064406626 has 12 divisors (see below), whose sum is σ = 3034448086722. Its totient is φ = 993660224256.

The previous prime is 2005064406623. The next prime is 2005064406641. The reversal of 2005064406626 is 6266044605002.

It can be written as a sum of positive squares in 3 ways, for example, as 868719066601 + 1136345340025 = 932051^2 + 1065995^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2005064406623) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 39230951 + ... + 39282026.

Almost surely, 2^{2005064406626} is an apocalyptic number.

2005064406626 is a deficient number, since it is larger than the sum of its proper divisors (1029383680096).

2005064406626 is an equidigital number, since it uses as much as digits as its factorization.

2005064406626 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78513205 (or 78513092 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 41.

The spelling of 2005064406626 in words is "two trillion, five billion, sixty-four million, four hundred six thousand, six hundred twenty-six".