6945784453 has 16 divisors (see below), whose sum is σ = 7343119872. Its totient is φ = 6559560000.

The previous prime is 6945784427. The next prime is 6945784477. The reversal of 6945784453 is 3544875496.

6945784453 is a nontrivial binomial coefficient, being equal to C(117863, 2).

It is a cyclic number.

It is not a de Polignac number, because 6945784453 - 2⁹ = 6945783941 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6945784394 and 6945784403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6945784493) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2532663 + ... + 2535403.

It is an arithmetic number, because the mean of its divisors is an integer number (458944992).

Almost surely, 2^6945784453 is an apocalyptic number.

6945784453 is the 117862-nd triangular number.

6945784453 is the 39288-th centered nonagonal number.

It is an amenable number.

6945784453 is a deficient number, since it is larger than the sum of its proper divisors (397335419).

6945784453 is a wasteful number, since it uses less digits than its factorization.

6945784453 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4716.

The product of its digits is 14515200, while the sum is 55.

The square root of 6945784453 is about 83341.3729968495. The cubic root of 6945784453 is about 1907.9797771803.

The spelling of 6945784453 in words is "six billion, nine hundred forty-five million, seven hundred eighty-four thousand, four hundred fifty-three".