316921441469 has 4 divisors (see below), whose sum is σ = 316927853760. Its totient is φ = 316915029180.

The previous prime is 316921441423. The next prime is 316921441481. The reversal of 316921441469 is 964144129613.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-316921441469 is a prime.

It is a super-2 number, since 2×316921441469² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (316921446469) 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, 3131429 + ... + 3231050.

It is an arithmetic number, because the mean of its divisors is an integer number (79231963440).

Almost surely, 2^316921441469 is an apocalyptic number.

It is an amenable number.

316921441469 is a deficient number, since it is larger than the sum of its proper divisors (6412291).

316921441469 is an equidigital number, since it uses as much as digits as its factorization.

316921441469 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6412290.

The product of its digits is 1119744, while the sum is 50.

The spelling of 316921441469 in words is "three hundred sixteen billion, nine hundred twenty-one million, four hundred forty-one thousand, four hundred sixty-nine".