4479429991 has 4 divisors (see below), whose sum is σ = 4563947592. Its totient is φ = 4394912392.

The previous prime is 4479429961. The next prime is 4479430069. The reversal of 4479429991 is 1999249744.

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

It is a cyclic number.

It is not a de Polignac number, because 4479429991 - 2⁵ = 4479429959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4479429961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42258721 + ... + 42258826.

It is an arithmetic number, because the mean of its divisors is an integer number (1140986898).

Almost surely, 2^4479429991 is an apocalyptic number.

4479429991 is a deficient number, since it is larger than the sum of its proper divisors (84517601).

4479429991 is an equidigital number, since it uses as much as digits as its factorization.

4479429991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84517600.

The product of its digits is 5878656, while the sum is 58.

The square root of 4479429991 is about 66928.5439181221. The cubic root of 4479429991 is about 1648.4442011927. Note that the first 3 decimals are identical.

The spelling of 4479429991 in words is "four billion, four hundred seventy-nine million, four hundred twenty-nine thousand, nine hundred ninety-one".