4249498879 has 4 divisors (see below), whose sum is σ = 4386579520. Its totient is φ = 4112418240.

The previous prime is 4249498873. The next prime is 4249498889. The reversal of 4249498879 is 9788949424.

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 4249498879 - 2³ = 4249498871 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4249498879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4249498871) 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, 68540274 + ... + 68540335.

It is an arithmetic number, because the mean of its divisors is an integer number (1096644880).

Almost surely, 2^4249498879 is an apocalyptic number.

4249498879 is a deficient number, since it is larger than the sum of its proper divisors (137080641).

4249498879 is a wasteful number, since it uses less digits than its factorization.

4249498879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137080640.

The product of its digits is 41803776, while the sum is 64.

The square root of 4249498879 is about 65188.1805161028. The cubic root of 4249498879 is about 1619.7422339204.

The spelling of 4249498879 in words is "four billion, two hundred forty-nine million, four hundred ninety-eight thousand, eight hundred seventy-nine".