1319642299 has 2 divisors, whose sum is σ = 1319642300. Its totient is φ = 1319642298.

The previous prime is 1319642297. The next prime is 1319642327. The reversal of 1319642299 is 9922469131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1319642299 - 2¹ = 1319642297 is a prime.

Together with 1319642297, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1319642293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659821149 + 659821150.

It is an arithmetic number, because the mean of its divisors is an integer number (659821150).

Almost surely, 2^1319642299 is an apocalyptic number.

1319642299 is a deficient number, since it is larger than the sum of its proper divisors (1).

1319642299 is an equidigital number, since it uses as much as digits as its factorization.

1319642299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 209952, while the sum is 46.

The square root of 1319642299 is about 36326.8812176328. The cubic root of 1319642299 is about 1096.8622146263.

The spelling of 1319642299 in words is "one billion, three hundred nineteen million, six hundred forty-two thousand, two hundred ninety-nine".