7829509245 has 16 divisors (see below), whose sum is σ = 12592806912. Its totient is φ = 4153874240.

The previous prime is 7829509123. The next prime is 7829509253. The reversal of 7829509245 is 5429059287.

It is not a de Polignac number, because 7829509245 - 2⁸ = 7829508989 is a prime.

It is a super-2 number, since 2×7829509245² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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, 1363542 + ... + 1369271.

It is an arithmetic number, because the mean of its divisors is an integer number (787050432).

Almost surely, 2^7829509245 is an apocalyptic number.

It is an amenable number.

7829509245 is a deficient number, since it is larger than the sum of its proper divisors (4763297667).

7829509245 is a wasteful number, since it uses less digits than its factorization.

7829509245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2733012.

The product of its (nonzero) digits is 1814400, while the sum is 51.

The square root of 7829509245 is about 88484.5141536077. The cubic root of 7829509245 is about 1985.6902974704.

The spelling of 7829509245 in words is "seven billion, eight hundred twenty-nine million, five hundred nine thousand, two hundred forty-five".