1313988479 has 2 divisors, whose sum is σ = 1313988480. Its totient is φ = 1313988478.

The previous prime is 1313988451. The next prime is 1313988493. The reversal of 1313988479 is 9748893131.

It is a strong prime.

It is an emirp because it is prime and its reverse (9748893131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1313988479 - 2⁸ = 1313988223 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1313988479.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1313988419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656994239 + 656994240.

It is an arithmetic number, because the mean of its divisors is an integer number (656994240).

Almost surely, 2^1313988479 is an apocalyptic number.

1313988479 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313988479 is an equidigital number, since it uses as much as digits as its factorization.

1313988479 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1306368, while the sum is 53.

The square root of 1313988479 is about 36248.9790063113. The cubic root of 1313988479 is about 1095.2935220853.

The spelling of 1313988479 in words is "one billion, three hundred thirteen million, nine hundred eighty-eight thousand, four hundred seventy-nine".