4720809894 has 32 divisors (see below), whose sum is σ = 9499200480. Its totient is φ = 1564023552.

The previous prime is 4720809889. The next prime is 4720809913. The reversal of 4720809894 is 4989080274.

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 in 15 ways as a sum of consecutive naturals, for example, 1971562 + ... + 1973954.

It is an arithmetic number, because the mean of its divisors is an integer number (296850015).

Almost surely, 2^4720809894 is an apocalyptic number.

4720809894 is an abundant number, since it is smaller than the sum of its proper divisors (4778390586).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4720809894 is a wasteful number, since it uses less digits than its factorization.

4720809894 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4264.

The product of its (nonzero) digits is 1161216, while the sum is 51.

The square root of 4720809894 is about 68708.1501279142. The cubic root of 4720809894 is about 1677.5372425902.

The spelling of 4720809894 in words is "four billion, seven hundred twenty million, eight hundred nine thousand, eight hundred ninety-four".