4728427791 has 32 divisors (see below), whose sum is σ = 6753077760. Its totient is φ = 2935747584.

The previous prime is 4728427789. The next prime is 4728427801. The reversal of 4728427791 is 1977248274.

It is not a de Polignac number, because 4728427791 - 2¹ = 4728427789 is a prime.

It is a super-2 number, since 2×4728427791² = 44716058749402279362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4728427751) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 997515 + ... + 1002243.

It is an arithmetic number, because the mean of its divisors is an integer number (211033680).

Almost surely, 2^4728427791 is an apocalyptic number.

4728427791 is a deficient number, since it is larger than the sum of its proper divisors (2024649969).

4728427791 is a wasteful number, since it uses less digits than its factorization.

4728427791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5135.

The product of its digits is 1580544, while the sum is 51.

The square root of 4728427791 is about 68763.5644145939. The cubic root of 4728427791 is about 1678.4390961880.

The spelling of 4728427791 in words is "four billion, seven hundred twenty-eight million, four hundred twenty-seven thousand, seven hundred ninety-one".