53684747379 has 10 divisors (see below), whose sum is σ = 80195733860. Its totient is φ = 35789831532.

The previous prime is 53684747357. The next prime is 53684747383. The reversal of 53684747379 is 97374748635.

53684747379 is a `hidden beast` number, since 53 + 6 + 8 + 47 + 473 + 79 = 666.

It is not a de Polignac number, because 53684747379 - 2²¹ = 53682650227 is a prime.

It is a super-2 number, since 2×53684747379² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53684743379) 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 9 ways as a sum of consecutive naturals, for example, 331387249 + ... + 331387410.

It is an arithmetic number, because the mean of its divisors is an integer number (8019573386).

Almost surely, 2^53684747379 is an apocalyptic number.

53684747379 is a deficient number, since it is larger than the sum of its proper divisors (26510986481).

53684747379 is an equidigital number, since it uses as much as digits as its factorization.

53684747379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 662774671 (or 662774662 counting only the distinct ones).

The product of its digits is 106686720, while the sum is 63.

The spelling of 53684747379 in words is "fifty-three billion, six hundred eighty-four million, seven hundred forty-seven thousand, three hundred seventy-nine".