7830349645 has 16 divisors (see below), whose sum is σ = 9452298240. Its totient is φ = 6227075200.

The previous prime is 7830349643. The next prime is 7830349661. The reversal of 7830349645 is 5469430387.

It is not a de Polignac number, because 7830349645 - 2¹ = 7830349643 is a prime.

It is a super-3 number, since 3×7830349645³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7830349643) 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, 2329476 + ... + 2332834.

It is an arithmetic number, because the mean of its divisors is an integer number (590768640).

Almost surely, 2^7830349645 is an apocalyptic number.

It is an amenable number.

7830349645 is a deficient number, since it is larger than the sum of its proper divisors (1621948595).

7830349645 is a wasteful number, since it uses less digits than its factorization.

7830349645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5996.

The product of its (nonzero) digits is 2177280, while the sum is 49.

The square root of 7830349645 is about 88489.2628797415. The cubic root of 7830349645 is about 1985.7613412770.

The spelling of 7830349645 in words is "seven billion, eight hundred thirty million, three hundred forty-nine thousand, six hundred forty-five".