6765356545 has 8 divisors (see below), whose sum is σ = 8153272296. Its totient is φ = 5389055616.

The previous prime is 6765356531. The next prime is 6765356593. The reversal of 6765356545 is 5456535676.

It can be written as a sum of positive squares in 4 ways, for example, as 785736961 + 5979619584 = 28031^2 + 77328^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 6765356545 - 2¹³ = 6765348353 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6765356492 and 6765356501.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2902422 + ... + 2904751.

It is an arithmetic number, because the mean of its divisors is an integer number (1019159037).

Almost surely, 2^6765356545 is an apocalyptic number.

It is an amenable number.

6765356545 is a deficient number, since it is larger than the sum of its proper divisors (1387915751).

6765356545 is a wasteful number, since it uses less digits than its factorization.

6765356545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5807411.

The product of its digits is 11340000, while the sum is 52.

The square root of 6765356545 is about 82251.7874881756. The cubic root of 6765356545 is about 1891.3136770849.

The spelling of 6765356545 in words is "six billion, seven hundred sixty-five million, three hundred fifty-six thousand, five hundred forty-five".