2636406601 has 4 divisors (see below), whose sum is σ = 2640898512. Its totient is φ = 2631914692.

The previous prime is 2636406587. The next prime is 2636406611. The reversal of 2636406601 is 1066046362.

2636406601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2636406601 - 2²⁹ = 2099535689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2636406611) 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, 2245075 + ... + 2246248.

It is an arithmetic number, because the mean of its divisors is an integer number (660224628).

Almost surely, 2^2636406601 is an apocalyptic number.

It is an amenable number.

2636406601 is a deficient number, since it is larger than the sum of its proper divisors (4491911).

2636406601 is an equidigital number, since it uses as much as digits as its factorization.

2636406601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4491910.

The product of its (nonzero) digits is 31104, while the sum is 34.

The square root of 2636406601 is about 51345.9501908378. The cubic root of 2636406601 is about 1381.4572928965.

The spelling of 2636406601 in words is "two billion, six hundred thirty-six million, four hundred six thousand, six hundred one".