4234781309 has 16 divisors (see below), whose sum is σ = 4735692864. Its totient is φ = 3753321600.

The previous prime is 4234781281. The next prime is 4234781339. The reversal of 4234781309 is 9031874324.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4234781309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4234781339) 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 15 ways as a sum of consecutive naturals, for example, 995942 + ... + 1000184.

It is an arithmetic number, because the mean of its divisors is an integer number (295980804).

Almost surely, 2^4234781309 is an apocalyptic number.

It is an amenable number.

4234781309 is a deficient number, since it is larger than the sum of its proper divisors (500911555).

4234781309 is a wasteful number, since it uses less digits than its factorization.

4234781309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6508.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 4234781309 is about 65075.1973412298. The cubic root of 4234781309 is about 1617.8701509491.

The spelling of 4234781309 in words is "four billion, two hundred thirty-four million, seven hundred eighty-one thousand, three hundred nine".