4499399523 has 4 divisors (see below), whose sum is σ = 5999199368. Its totient is φ = 2999599680.

The previous prime is 4499399507. The next prime is 4499399533. The reversal of 4499399523 is 3259939944.

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

It is not a de Polignac number, because 4499399523 - 2⁴ = 4499399507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4499399533) 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, 749899918 + ... + 749899923.

It is an arithmetic number, because the mean of its divisors is an integer number (1499799842).

Almost surely, 2^4499399523 is an apocalyptic number.

4499399523 is a deficient number, since it is larger than the sum of its proper divisors (1499799845).

4499399523 is a wasteful number, since it uses less digits than its factorization.

4499399523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1499799844.

The product of its digits is 9447840, while the sum is 57.

The square root of 4499399523 is about 67077.5634843723. The cubic root of 4499399523 is about 1650.8901866856.

The spelling of 4499399523 in words is "four billion, four hundred ninety-nine million, three hundred ninety-nine thousand, five hundred twenty-three".