53146668319 has 8 divisors (see below), whose sum is σ = 57470240448. Its totient is φ = 48956129280.

The previous prime is 53146668293. The next prime is 53146668347. The reversal of 53146668319 is 91386664135.

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

It is a cyclic number.

It is not a de Polignac number, because 53146668319 - 2⁷ = 53146668191 is a prime.

It is a super-2 number, since 2×53146668319² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53146668389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33257442 + ... + 33259039.

It is an arithmetic number, because the mean of its divisors is an integer number (7183780056).

Almost surely, 2^53146668319 is an apocalyptic number.

53146668319 is a deficient number, since it is larger than the sum of its proper divisors (4323572129).

53146668319 is a wasteful number, since it uses less digits than its factorization.

53146668319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66516545.

The product of its digits is 2799360, while the sum is 52.

The spelling of 53146668319 in words is "fifty-three billion, one hundred forty-six million, six hundred sixty-eight thousand, three hundred nineteen".