8069739745 has 4 divisors (see below), whose sum is σ = 9683687700. Its totient is φ = 6455791792.

The previous prime is 8069739719. The next prime is 8069739751. The reversal of 8069739745 is 5479379608.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 843379681 + 7226360064 = 29041^2 + 85008^2 .

It is a cyclic number.

It is not a de Polignac number, because 8069739745 - 2⁷ = 8069739617 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 8069739745.

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 3 ways as a sum of consecutive naturals, for example, 806973970 + ... + 806973979.

It is an arithmetic number, because the mean of its divisors is an integer number (2420921925).

Almost surely, 2^8069739745 is an apocalyptic number.

It is an amenable number.

8069739745 is a deficient number, since it is larger than the sum of its proper divisors (1613947955).

8069739745 is a wasteful number, since it uses less digits than its factorization.

8069739745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1613947954.

The product of its (nonzero) digits is 11430720, while the sum is 58.

The square root of 8069739745 is about 89831.7301681316. The cubic root of 8069739745 is about 2005.7948391205.

The spelling of 8069739745 in words is "eight billion, sixty-nine million, seven hundred thirty-nine thousand, seven hundred forty-five".