312068561969 has 4 divisors (see below), whose sum is σ = 312129913344. Its totient is φ = 312007210596.

The previous prime is 312068561963. The next prime is 312068562007. The reversal of 312068561969 is 969165860213.

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, and also an emirpimes, since its reverse is a distinct semiprime: 969165860213 = 83 ⋅11676697111.

It is a cyclic number.

It is not a de Polignac number, because 312068561969 - 2¹² = 312068557873 is a prime.

It is a super-2 number, since 2×312068561969² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (312068561963) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30668057 + ... + 30678230.

It is an arithmetic number, because the mean of its divisors is an integer number (78032478336).

Almost surely, 2^312068561969 is an apocalyptic number.

It is an amenable number.

312068561969 is a deficient number, since it is larger than the sum of its proper divisors (61351375).

312068561969 is an equidigital number, since it uses as much as digits as its factorization.

312068561969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61351374.

The product of its (nonzero) digits is 4199040, while the sum is 56.

The spelling of 312068561969 in words is "three hundred twelve billion, sixty-eight million, five hundred sixty-one thousand, nine hundred sixty-nine".