4579394991 has 16 divisors (see below), whose sum is σ = 6517751040. Its totient is φ = 2851511040.

The previous prime is 4579394983. The next prime is 4579395011. The reversal of 4579394991 is 1994939754.

It is a happy number.

It is not a de Polignac number, because 4579394991 - 2³ = 4579394983 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4579394191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 561730 + ... + 569823.

It is an arithmetic number, because the mean of its divisors is an integer number (407359440).

Almost surely, 2^4579394991 is an apocalyptic number.

4579394991 is a deficient number, since it is larger than the sum of its proper divisors (1938356049).

4579394991 is a wasteful number, since it uses less digits than its factorization.

4579394991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1131646.

The product of its digits is 11022480, while the sum is 60.

The square root of 4579394991 is about 67671.2272018175. The cubic root of 4579394991 is about 1660.6165744361.

The spelling of 4579394991 in words is "four billion, five hundred seventy-nine million, three hundred ninety-four thousand, nine hundred ninety-one".