4459278662 has 4 divisors (see below), whose sum is σ = 6688917996. Its totient is φ = 2229639330.

The previous prime is 4459278661. The next prime is 4459278689. The reversal of 4459278662 is 2668729544.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4459278661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1114819664 + ... + 1114819667.

It is an arithmetic number, because the mean of its divisors is an integer number (1672229499).

Almost surely, 2^4459278662 is an apocalyptic number.

4459278662 is a deficient number, since it is larger than the sum of its proper divisors (2229639334).

4459278662 is a wasteful number, since it uses less digits than its factorization.

4459278662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2229639333.

The product of its digits is 5806080, while the sum is 53.

The square root of 4459278662 is about 66777.8306176533. The cubic root of 4459278662 is about 1645.9685678503.

The spelling of 4459278662 in words is "four billion, four hundred fifty-nine million, two hundred seventy-eight thousand, six hundred sixty-two".