312419069 has 2 divisors, whose sum is σ = 312419070. Its totient is φ = 312419068.

The previous prime is 312419053. The next prime is 312419077. The reversal of 312419069 is 960914213.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 308458969 + 3960100 = 17563^2 + 1990^2 .

It is a cyclic number.

It is not a de Polignac number, because 312419069 - 2⁴ = 312419053 is a prime.

It is a super-2 number, since 2×312419069² = 195211349349653522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312419039) 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 as a sum of consecutive naturals, namely, 156209534 + 156209535.

It is an arithmetic number, because the mean of its divisors is an integer number (156209535).

Almost surely, 2^312419069 is an apocalyptic number.

It is an amenable number.

312419069 is a deficient number, since it is larger than the sum of its proper divisors (1).

312419069 is an equidigital number, since it uses as much as digits as its factorization.

312419069 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 312419069 is about 17675.3803070825. The cubic root of 312419069 is about 678.5458176156.

The spelling of 312419069 in words is "three hundred twelve million, four hundred nineteen thousand, sixty-nine".