2608773291636 has 12 divisors (see below), whose sum is σ = 6087137680512. Its totient is φ = 869591097208.

The previous prime is 2608773291601. The next prime is 2608773291637. The reversal of 2608773291636 is 6361923778062.

It is a tau number, because it is divible by the number of its divisors (12).

It is a Smith number, since the sum of its digits (60) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 2608773291636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2608773291637) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108698887140 + ... + 108698887163.

It is an arithmetic number, because the mean of its divisors is an integer number (507261473376).

Almost surely, 2^{2608773291636} is an apocalyptic number.

It is an amenable number.

2608773291636 is an abundant number, since it is smaller than the sum of its proper divisors (3478364388876).

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

2608773291636 is a wasteful number, since it uses less digits than its factorization.

2608773291636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217397774310 (or 217397774308 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 60.

The spelling of 2608773291636 in words is "two trillion, six hundred eight billion, seven hundred seventy-three million, two hundred ninety-one thousand, six hundred thirty-six".