1319618479 has 2 divisors, whose sum is σ = 1319618480. Its totient is φ = 1319618478.

The previous prime is 1319618477. The next prime is 1319618501. The reversal of 1319618479 is 9748169131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1319618479 - 2¹ = 1319618477 is a prime.

Together with 1319618477, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1319618473) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 659809239 + 659809240.

It is an arithmetic number, because the mean of its divisors is an integer number (659809240).

Almost surely, 2^1319618479 is an apocalyptic number.

1319618479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1319618479 is an equidigital number, since it uses as much as digits as its factorization.

1319618479 is an evil number, because the sum of its binary digits is even.

The product of its digits is 326592, while the sum is 49.

The square root of 1319618479 is about 36326.5533597670. The cubic root of 1319618479 is about 1096.8556150058.

The spelling of 1319618479 in words is "one billion, three hundred nineteen million, six hundred eighteen thousand, four hundred seventy-nine".