312069419 has 2 divisors, whose sum is σ = 312069420. Its totient is φ = 312069418.

The previous prime is 312069413. The next prime is 312069421. The reversal of 312069419 is 914960213.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-312069419 is a prime.

It is a super-2 number, since 2×312069419² = 194774644549995122, which contains 22 as substring.

Together with 312069421, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (312069413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156034709 + 156034710.

It is an arithmetic number, because the mean of its divisors is an integer number (156034710).

Almost surely, 2^312069419 is an apocalyptic number.

312069419 is a deficient number, since it is larger than the sum of its proper divisors (1).

312069419 is an equidigital number, since it uses as much as digits as its factorization.

312069419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 312069419 is about 17665.4866618500. The cubic root of 312069419 is about 678.2925871177.

The spelling of 312069419 in words is "three hundred twelve million, sixty-nine thousand, four hundred nineteen".