1036764789605 has 4 divisors (see below), whose sum is σ = 1244117747532. Its totient is φ = 829411831680.

The previous prime is 1036764789521. The next prime is 1036764789611. The reversal of 1036764789605 is 5069874676301.

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 199142632516 + 837622157089 = 446254^2 + 915217^2 .

It is not a de Polignac number, because 1036764789605 - 2¹⁶ = 1036764724069 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 103676478956 + ... + 103676478965.

It is an arithmetic number, because the mean of its divisors is an integer number (311029436883).

Almost surely, 2^{1036764789605} is an apocalyptic number.

It is an amenable number.

1036764789605 is a deficient number, since it is larger than the sum of its proper divisors (207352957927).

1036764789605 is an equidigital number, since it uses as much as digits as its factorization.

1036764789605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 207352957926.

The product of its (nonzero) digits is 45722880, while the sum is 62.

The spelling of 1036764789605 in words is "one trillion, thirty-six billion, seven hundred sixty-four million, seven hundred eighty-nine thousand, six hundred five".