4626634646 has 4 divisors (see below), whose sum is σ = 6939951972. Its totient is φ = 2313317322.

The previous prime is 4626634637. The next prime is 4626634673. The reversal of 4626634646 is 6464366264.

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 4626634646.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1156658660 + ... + 1156658663.

It is an arithmetic number, because the mean of its divisors is an integer number (1734987993).

Almost surely, 2^4626634646 is an apocalyptic number.

4626634646 is a deficient number, since it is larger than the sum of its proper divisors (2313317326).

4626634646 is a wasteful number, since it uses less digits than its factorization.

4626634646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2313317325.

The product of its digits is 2985984, while the sum is 47.

The square root of 4626634646 is about 68019.3696383611. The cubic root of 4626634646 is about 1666.3071911031.

The spelling of 4626634646 in words is "four billion, six hundred twenty-six million, six hundred thirty-four thousand, six hundred forty-six".