1385677774471 has 2 divisors, whose sum is σ = 1385677774472. Its totient is φ = 1385677774470.

The previous prime is 1385677774451. The next prime is 1385677774493. The reversal of 1385677774471 is 1744777765831.

It is a weak prime.

It is an emirp because it is prime and its reverse (1744777765831) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1385677774471 - 2⁹ = 1385677773959 is a prime.

It is a super-3 number, since 3×1385677774471³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1385677774397 and 1385677774406.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1385677774421) 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 as a sum of consecutive naturals, namely, 692838887235 + 692838887236.

It is an arithmetic number, because the mean of its divisors is an integer number (692838887236).

Almost surely, 2^{1385677774471} is an apocalyptic number.

1385677774471 is a deficient number, since it is larger than the sum of its proper divisors (1).

1385677774471 is an equidigital number, since it uses as much as digits as its factorization.

1385677774471 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 193616640, while the sum is 67.

The spelling of 1385677774471 in words is "one trillion, three hundred eighty-five billion, six hundred seventy-seven million, seven hundred seventy-four thousand, four hundred seventy-one".