2636217133957 has 16 divisors (see below), whose sum is σ = 3074104172160. Its totient is φ = 2236451430400.

The previous prime is 2636217133943. The next prime is 2636217133969. The reversal of 2636217133957 is 7593317126362.

It is a happy number.

It is not a de Polignac number, because 2636217133957 - 2³¹ = 2634069650309 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2636217133898 and 2636217133907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2636217133157) 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, 127060732 + ... + 127081477.

It is an arithmetic number, because the mean of its divisors is an integer number (192131510760).

Almost surely, 2^{2636217133957} is an apocalyptic number.

It is an amenable number.

2636217133957 is a deficient number, since it is larger than the sum of its proper divisors (437887038203).

2636217133957 is a wasteful number, since it uses less digits than its factorization.

2636217133957 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254142284.

The product of its digits is 8573040, while the sum is 55.

The spelling of 2636217133957 in words is "two trillion, six hundred thirty-six billion, two hundred seventeen million, one hundred thirty-three thousand, nine hundred fifty-seven".