4636345646 has 4 divisors (see below), whose sum is σ = 6954518472. Its totient is φ = 2318172822.

The previous prime is 4636345639. The next prime is 4636345669. The reversal of 4636345646 is 6465436364.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 4636345646.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1159086410 + ... + 1159086413.

It is an arithmetic number, because the mean of its divisors is an integer number (1738629618).

Almost surely, 2^4636345646 is an apocalyptic number.

4636345646 is a deficient number, since it is larger than the sum of its proper divisors (2318172826).

4636345646 is a wasteful number, since it uses less digits than its factorization.

4636345646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2318172825.

The product of its digits is 3732480, while the sum is 47.

The square root of 4636345646 is about 68090.7162981856. The cubic root of 4636345646 is about 1667.4721992388.

The spelling of 4636345646 in words is "four billion, six hundred thirty-six million, three hundred forty-five thousand, six hundred forty-six".