2064089649636 has 243 divisors, whose sum is σ = 6161436474921. Its totient is φ = 580930092288.

The previous prime is 2064089649623. The next prime is 2064089649649. The reversal of 2064089649636 is 6369469804602.

The square root of 2064089649636 is 1436694.

It is a perfect power (a square), and thus also a powerful number.

2064089649636 is a `hidden beast` number, since 2 + 0 + 64 + 0 + 89 + 6 + 496 + 3 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (2064089649623) and next prime (2064089649649).

It can be written as a sum of positive squares in only one way, i.e., 231466832100 + 1832622817536 = 481110^2 + 1353744^2 .

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 4766950476 + ... + 4766950908.

Almost surely, 2^{2064089649636} is an apocalyptic number.

2064089649636 is the 1436694-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2064089649636

2064089649636 is an abundant number, since it is smaller than the sum of its proper divisors (4097346825285).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2064089649636 is an equidigital number, since it uses as much as digits as its factorization.

2064089649636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1048 (or 524 counting only the distinct ones).

The product of its (nonzero) digits is 80621568, while the sum is 63.

The spelling of 2064089649636 in words is "two trillion, sixty-four billion, eighty-nine million, six hundred forty-nine thousand, six hundred thirty-six".