4644650242 has 4 divisors (see below), whose sum is σ = 6966975366. Its totient is φ = 2322325120.

The previous prime is 4644650207. The next prime is 4644650243. The reversal of 4644650242 is 2420564464.

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

It can be written as a sum of positive squares in only one way, i.e., 4290119001 + 354531241 = 65499^2 + 18829^2 .

It is not an unprimeable number, because it can be changed into a prime (4644650243) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1161162559 + ... + 1161162562.

Almost surely, 2^4644650242 is an apocalyptic number.

4644650242 is a deficient number, since it is larger than the sum of its proper divisors (2322325124).

4644650242 is a wasteful number, since it uses less digits than its factorization.

4644650242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2322325123.

The product of its (nonzero) digits is 184320, while the sum is 37.

The square root of 4644650242 is about 68151.6708672649. The cubic root of 4644650242 is about 1668.4671943108.

The spelling of 4644650242 in words is "four billion, six hundred forty-four million, six hundred fifty thousand, two hundred forty-two".