69545454813 has 12 divisors (see below), whose sum is σ = 100477700700. Its totient is φ = 46352949696.

The previous prime is 69545454779. The next prime is 69545454899. The reversal of 69545454813 is 31845454596.

69545454813 is a `hidden beast` number, since 6 + 9 + 54 + 545 + 48 + 1 + 3 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 503688249 + 69041766564 = 22443^2 + 262758^2 .

It is not a de Polignac number, because 69545454813 - 2¹⁴ = 69545438429 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 69545454813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69545454113) 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 11 ways as a sum of consecutive naturals, for example, 849256 + ... + 927537.

It is an arithmetic number, because the mean of its divisors is an integer number (8373141725).

Almost surely, 2^69545454813 is an apocalyptic number.

It is an amenable number.

69545454813 is a deficient number, since it is larger than the sum of its proper divisors (30932245887).

69545454813 is a wasteful number, since it uses less digits than its factorization.

69545454813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781148 (or 1781145 counting only the distinct ones).

The product of its digits is 10368000, while the sum is 54.

The spelling of 69545454813 in words is "sixty-nine billion, five hundred forty-five million, four hundred fifty-four thousand, eight hundred thirteen".