312416652469 has 2 divisors, whose sum is σ = 312416652470. Its totient is φ = 312416652468.

The previous prime is 312416652463. The next prime is 312416652517. The reversal of 312416652469 is 964256614213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 292405155025 + 20011497444 = 540745^2 + 141462^2 .

It is an emirp because it is prime and its reverse (964256614213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312416652469 - 2⁹ = 312416651957 is a prime.

It is a super-2 number, since 2×312416652469² (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 (312416652463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156208326234 + 156208326235.

It is an arithmetic number, because the mean of its divisors is an integer number (156208326235).

Almost surely, 2^312416652469 is an apocalyptic number.

It is an amenable number.

312416652469 is a deficient number, since it is larger than the sum of its proper divisors (1).

312416652469 is an equidigital number, since it uses as much as digits as its factorization.

312416652469 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 49.

The spelling of 312416652469 in words is "three hundred twelve billion, four hundred sixteen million, six hundred fifty-two thousand, four hundred sixty-nine".