4249310749 has 4 divisors (see below), whose sum is σ = 4339721664. Its totient is φ = 4158899836.

The previous prime is 4249310729. The next prime is 4249310831. The reversal of 4249310749 is 9470139424.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4249310749 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 (4249310729) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45205387 + ... + 45205480.

It is an arithmetic number, because the mean of its divisors is an integer number (1084930416).

Almost surely, 2^4249310749 is an apocalyptic number.

It is an amenable number.

4249310749 is a deficient number, since it is larger than the sum of its proper divisors (90410915).

4249310749 is an equidigital number, since it uses as much as digits as its factorization.

4249310749 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90410914.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 4249310749 is about 65186.7375238246. The cubic root of 4249310749 is about 1619.7183309763.

The spelling of 4249310749 in words is "four billion, two hundred forty-nine million, three hundred ten thousand, seven hundred forty-nine".