4994352644 has 6 divisors (see below), whose sum is σ = 8740117134. Its totient is φ = 2497176320.

The previous prime is 4994352617. The next prime is 4994352707. The reversal of 4994352644 is 4462534994.

It can be written as a sum of positive squares in only one way, i.e., 2609983744 + 2384368900 = 51088^2 + 48830^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4994352592 and 4994352601.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 624294077 + ... + 624294084.

It is an arithmetic number, because the mean of its divisors is an integer number (1456686189).

Almost surely, 2^4994352644 is an apocalyptic number.

It is an amenable number.

4994352644 is a deficient number, since it is larger than the sum of its proper divisors (3745764490).

4994352644 is a wasteful number, since it uses less digits than its factorization.

4994352644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248588165 (or 1248588163 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 50.

The square root of 4994352644 is about 70670.7339993013. The cubic root of 4994352644 is about 1709.3319146158.

The spelling of 4994352644 in words is "four billion, nine hundred ninety-four million, three hundred fifty-two thousand, six hundred forty-four".