6709942445 has 8 divisors (see below), whose sum is σ = 8125802520. Its totient is φ = 5318706240.

The previous prime is 6709942441. The next prime is 6709942457. The reversal of 6709942445 is 5442499076.

It can be written as a sum of positive squares in 4 ways, for example, as 2631587401 + 4078355044 = 51299^2 + 63862^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6709942445 - 2² = 6709942441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6709942393 and 6709942402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6709942441) 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 7 ways as a sum of consecutive naturals, for example, 6155366 + ... + 6156455.

It is an arithmetic number, because the mean of its divisors is an integer number (1015725315).

Almost surely, 2^6709942445 is an apocalyptic number.

It is an amenable number.

6709942445 is a deficient number, since it is larger than the sum of its proper divisors (1415860075).

6709942445 is a wasteful number, since it uses less digits than its factorization.

6709942445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12311935.

The product of its (nonzero) digits is 2177280, while the sum is 50.

The square root of 6709942445 is about 81914.2383532924. The cubic root of 6709942445 is about 1886.1356842340.

The spelling of 6709942445 in words is "six billion, seven hundred nine million, nine hundred forty-two thousand, four hundred forty-five".