1319910899 has 2 divisors, whose sum is σ = 1319910900. Its totient is φ = 1319910898.

The previous prime is 1319910853. The next prime is 1319910931. The reversal of 1319910899 is 9980199131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1319910899 - 2¹² = 1319906803 is a prime.

It is not a weakly prime, because it can be changed into another prime (1319910799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659955449 + 659955450.

It is an arithmetic number, because the mean of its divisors is an integer number (659955450).

Almost surely, 2^1319910899 is an apocalyptic number.

1319910899 is a deficient number, since it is larger than the sum of its proper divisors (1).

1319910899 is an equidigital number, since it uses as much as digits as its factorization.

1319910899 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 157464, while the sum is 50.

The square root of 1319910899 is about 36330.5780163212. The cubic root of 1319910899 is about 1096.9366280247.

The spelling of 1319910899 in words is "one billion, three hundred nineteen million, nine hundred ten thousand, eight hundred ninety-nine".