683838505154471 has 2 divisors, whose sum is σ = 683838505154472. Its totient is φ = 683838505154470.

The previous prime is 683838505154459. The next prime is 683838505154573. The reversal of 683838505154471 is 174451505838386.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-683838505154471 is a prime.

It is a super-3 number, since 3×683838505154471³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (683838595154471) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 341919252577235 + 341919252577236.

It is an arithmetic number, because the mean of its divisors is an integer number (341919252577236).

Almost surely, 2^{683838505154471} is an apocalyptic number.

683838505154471 is a deficient number, since it is larger than the sum of its proper divisors (1).

683838505154471 is an equidigital number, since it uses as much as digits as its factorization.

683838505154471 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 387072000, while the sum is 68.

The spelling of 683838505154471 in words is "six hundred eighty-three trillion, eight hundred thirty-eight billion, five hundred five million, one hundred fifty-four thousand, four hundred seventy-one".