4918503644 has 12 divisors (see below), whose sum is σ = 8620407768. Its totient is φ = 2455530000.

The previous prime is 4918503643. The next prime is 4918503673. The reversal of 4918503644 is 4463058194.

It is a junction number, because it is equal to n+sod(n) for n = 4918503595 and 4918503604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4918503643) 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, 927482 + ... + 932769.

It is an arithmetic number, because the mean of its divisors is an integer number (718367314).

Almost surely, 2^4918503644 is an apocalyptic number.

It is an amenable number.

4918503644 is a deficient number, since it is larger than the sum of its proper divisors (3701904124).

4918503644 is a wasteful number, since it uses less digits than its factorization.

4918503644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1860916 (or 1860914 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 44.

The square root of 4918503644 is about 70132.0443449355. The cubic root of 4918503644 is about 1700.6345548073.

The spelling of 4918503644 in words is "four billion, nine hundred eighteen million, five hundred three thousand, six hundred forty-four".