2636746842 has 32 divisors (see below), whose sum is σ = 5445696960. Its totient is φ = 850590720.

The previous prime is 2636746837. The next prime is 2636746883. The reversal of 2636746842 is 2486476362.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2636746791 and 2636746800.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18759 + ... + 75002.

It is an arithmetic number, because the mean of its divisors is an integer number (170178030).

Almost surely, 2^2636746842 is an apocalyptic number.

2636746842 is an abundant number, since it is smaller than the sum of its proper divisors (2808950118).

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

2636746842 is a wasteful number, since it uses less digits than its factorization.

2636746842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93918.

The product of its digits is 2322432, while the sum is 48.

The square root of 2636746842 is about 51349.2633053289. The cubic root of 2636746842 is about 1381.5167182513.

The spelling of 2636746842 in words is "two billion, six hundred thirty-six million, seven hundred forty-six thousand, eight hundred forty-two".