3636644854 has 8 divisors (see below), whose sum is σ = 5455483488. Its totient is φ = 1818150360.

The previous prime is 3636644819. The next prime is 3636644857. The reversal of 3636644854 is 4584466363.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 3636644798 and 3636644807.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3636644857) 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, 57757 + ... + 103000.

It is an arithmetic number, because the mean of its divisors is an integer number (681935436).

Almost surely, 2^3636644854 is an apocalyptic number.

3636644854 is a deficient number, since it is larger than the sum of its proper divisors (1818838634).

3636644854 is a wasteful number, since it uses less digits than its factorization.

3636644854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172070.

The product of its digits is 4976640, while the sum is 49.

The square root of 3636644854 is about 60304.6006039340. The cubic root of 3636644854 is about 1537.8015594979.

The spelling of 3636644854 in words is "three billion, six hundred thirty-six million, six hundred forty-four thousand, eight hundred fifty-four".