53667369909 has 16 divisors (see below), whose sum is σ = 81656059840. Its totient is φ = 34811266320.

The previous prime is 53667369793. The next prime is 53667369913. The reversal of 53667369909 is 90996376635.

53667369909 is a `hidden beast` number, since 536 + 6 + 7 + 3 + 6 + 9 + 90 + 9 = 666.

It is not a de Polignac number, because 53667369909 - 2²⁰ = 53666321333 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53667369109) 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, 26859547 + ... + 26861544.

It is an arithmetic number, because the mean of its divisors is an integer number (5103503740).

Almost surely, 2^53667369909 is an apocalyptic number.

It is an amenable number.

53667369909 is a deficient number, since it is larger than the sum of its proper divisors (27988689931).

53667369909 is a wasteful number, since it uses less digits than its factorization.

53667369909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53721137 (or 53721131 counting only the distinct ones).

The product of its (nonzero) digits is 49601160, while the sum is 63.

The spelling of 53667369909 in words is "fifty-three billion, six hundred sixty-seven million, three hundred sixty-nine thousand, nine hundred nine".