53685369479 has 8 divisors (see below), whose sum is σ = 61536772128. Its totient is φ = 45879482880.

The previous prime is 53685369401. The next prime is 53685369499. The reversal of 53685369479 is 97496358635.

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

It is not a de Polignac number, because 53685369479 - 2⁸ = 53685369223 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53685369499) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11376482 + ... + 11381199.

It is an arithmetic number, because the mean of its divisors is an integer number (7692096516).

Almost surely, 2^53685369479 is an apocalyptic number.

53685369479 is a deficient number, since it is larger than the sum of its proper divisors (7851402649).

53685369479 is a wasteful number, since it uses less digits than its factorization.

53685369479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22758025.

The product of its digits is 146966400, while the sum is 65.

The spelling of 53685369479 in words is "fifty-three billion, six hundred eighty-five million, three hundred sixty-nine thousand, four hundred seventy-nine".