6948209545 has 16 divisors (see below), whose sum is σ = 8379689472. Its totient is φ = 5530717440.

The previous prime is 6948209537. The next prime is 6948209549. The reversal of 6948209545 is 5459028496.

It is not a de Polignac number, because 6948209545 - 2³ = 6948209537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6948209492 and 6948209501.

It is not an unprimeable number, because it can be changed into a prime (6948209549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2195134 + ... + 2198296.

It is an arithmetic number, because the mean of its divisors is an integer number (523730592).

Almost surely, 2^6948209545 is an apocalyptic number.

It is an amenable number.

6948209545 is a deficient number, since it is larger than the sum of its proper divisors (1431479927).

6948209545 is a wasteful number, since it uses less digits than its factorization.

6948209545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5232.

The product of its (nonzero) digits is 3110400, while the sum is 52.

The square root of 6948209545 is about 83355.9208754843. The cubic root of 6948209545 is about 1908.2018057660.

The spelling of 6948209545 in words is "six billion, nine hundred forty-eight million, two hundred nine thousand, five hundred forty-five".