319443969 has 12 divisors (see below), whose sum is σ = 461209776. Its totient is φ = 196580592.

The previous prime is 319443967. The next prime is 319443983. The reversal of 319443969 is 969344913.

It is not a de Polignac number, because 319443969 - 2¹ = 319443967 is a prime.

It is a super-2 number, since 2×319443969² = 204088898660945922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (319443967) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 314527 + ... + 315540.

It is an arithmetic number, because the mean of its divisors is an integer number (38434148).

Almost surely, 2^319443969 is an apocalyptic number.

319443969 is a gapful number since it is divisible by the number (39) formed by its first and last digit.

It is an amenable number.

319443969 is a deficient number, since it is larger than the sum of its proper divisors (141765807).

319443969 is a wasteful number, since it uses less digits than its factorization.

319443969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 630096 (or 630083 counting only the distinct ones).

The product of its digits is 629856, while the sum is 48.

The square root of 319443969 is about 17872.9955239741. The cubic root of 319443969 is about 683.5939824748.

The spelling of 319443969 in words is "three hundred nineteen million, four hundred forty-three thousand, nine hundred sixty-nine".