316380217469 has 2 divisors, whose sum is σ = 316380217470. Its totient is φ = 316380217468.

The previous prime is 316380217403. The next prime is 316380217499. The reversal of 316380217469 is 964712083613.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 293211420100 + 23168797369 = 541490^2 + 152213^2 .

It is a cyclic number.

It is not a de Polignac number, because 316380217469 - 2¹⁶ = 316380151933 is a prime.

It is a super-2 number, since 2×316380217469² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (316380217499) 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, 158190108734 + 158190108735.

It is an arithmetic number, because the mean of its divisors is an integer number (158190108735).

Almost surely, 2^316380217469 is an apocalyptic number.

It is an amenable number.

316380217469 is a deficient number, since it is larger than the sum of its proper divisors (1).

316380217469 is an equidigital number, since it uses as much as digits as its factorization.

316380217469 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1306368, while the sum is 50.

The spelling of 316380217469 in words is "three hundred sixteen billion, three hundred eighty million, two hundred seventeen thousand, four hundred sixty-nine".