53868670188351 has 4 divisors (see below), whose sum is σ = 71824893584472. Its totient is φ = 35912446792232.

The previous prime is 53868670188331. The next prime is 53868670188373. The reversal of 53868670188351 is 15388107686835.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 53868670188351 - 2¹⁹ = 53868669664063 is a prime.

It is a super-2 number, since 2×53868670188351² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53868670188301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8978111698056 + ... + 8978111698061.

It is an arithmetic number, because the mean of its divisors is an integer number (17956223396118).

Almost surely, 2^{53868670188351} is an apocalyptic number.

53868670188351 is a deficient number, since it is larger than the sum of its proper divisors (17956223396121).

53868670188351 is a wasteful number, since it uses less digits than its factorization.

53868670188351 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17956223396120.

The product of its (nonzero) digits is 232243200, while the sum is 69.

The spelling of 53868670188351 in words is "fifty-three trillion, eight hundred sixty-eight billion, six hundred seventy million, one hundred eighty-eight thousand, three hundred fifty-one".