2636402634652 has 12 divisors (see below), whose sum is σ = 4658497860016. Its totient is φ = 1305403246080.

The previous prime is 2636402634643. The next prime is 2636402634659. The reversal of 2636402634652 is 2564362046362.

It is a super-2 number, since 2×2636402634652² (a number of 26 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 2636402634596 and 2636402634605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2636402634659) 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, 3199517349 + ... + 3199518172.

Almost surely, 2^{2636402634652} is an apocalyptic number.

It is an amenable number.

2636402634652 is a deficient number, since it is larger than the sum of its proper divisors (2022095225364).

2636402634652 is a wasteful number, since it uses less digits than its factorization.

2636402634652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6399035628 (or 6399035626 counting only the distinct ones).

The product of its (nonzero) digits is 7464960, while the sum is 49.

The spelling of 2636402634652 in words is "two trillion, six hundred thirty-six billion, four hundred two million, six hundred thirty-four thousand, six hundred fifty-two".