2636699052 has 48 divisors (see below), whose sum is σ = 6646977792. Its totient is φ = 808668480.

The previous prime is 2636699041. The next prime is 2636699057. The reversal of 2636699052 is 2509966362.

2636699052 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2636698992 and 2636699010.

It is not an unprimeable number, because it can be changed into a prime (2636699057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21343 + ... + 75689.

It is an arithmetic number, because the mean of its divisors is an integer number (138478704).

Almost surely, 2^2636699052 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2636699052, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3323488896).

2636699052 is an abundant number, since it is smaller than the sum of its proper divisors (4010278740).

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

2636699052 is a wasteful number, since it uses less digits than its factorization.

2636699052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54678 (or 54676 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 48.

The square root of 2636699052 is about 51348.7979606144. The cubic root of 2636699052 is about 1381.5083717184.

The spelling of 2636699052 in words is "two billion, six hundred thirty-six million, six hundred ninety-nine thousand, fifty-two".