4249547499 has 4 divisors (see below), whose sum is σ = 5666063336. Its totient is φ = 2833031664.

The previous prime is 4249547483. The next prime is 4249547557. The reversal of 4249547499 is 9947459424.

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

It is not a de Polignac number, because 4249547499 - 2⁴ = 4249547483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4249542499) 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, 708257914 + ... + 708257919.

It is an arithmetic number, because the mean of its divisors is an integer number (1416515834).

Almost surely, 2^4249547499 is an apocalyptic number.

4249547499 is a deficient number, since it is larger than the sum of its proper divisors (1416515837).

4249547499 is a wasteful number, since it uses less digits than its factorization.

4249547499 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416515836.

The product of its digits is 13063680, while the sum is 57.

The square root of 4249547499 is about 65188.5534354000. The cubic root of 4249547499 is about 1619.7484112423.

The spelling of 4249547499 in words is "four billion, two hundred forty-nine million, five hundred forty-seven thousand, four hundred ninety-nine".