53671346513 has 4 divisors (see below), whose sum is σ = 53762780400. Its totient is φ = 53579912628.

The previous prime is 53671346453. The next prime is 53671346539. The reversal of 53671346513 is 31564317635.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53671346513 - 2⁸ = 53671346257 is a prime.

It is a super-2 number, since 2×53671346513² (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 (53671346213) 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 3 ways as a sum of consecutive naturals, for example, 45716063 + ... + 45717236.

It is an arithmetic number, because the mean of its divisors is an integer number (13440695100).

Almost surely, 2^53671346513 is an apocalyptic number.

It is an amenable number.

53671346513 is a deficient number, since it is larger than the sum of its proper divisors (91433887).

53671346513 is an equidigital number, since it uses as much as digits as its factorization.

53671346513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91433886.

The product of its digits is 680400, while the sum is 44.

The spelling of 53671346513 in words is "fifty-three billion, six hundred seventy-one million, three hundred forty-six thousand, five hundred thirteen".