1313866429 has 2 divisors, whose sum is σ = 1313866430. Its totient is φ = 1313866428.

The previous prime is 1313866427. The next prime is 1313866439. The reversal of 1313866429 is 9246683131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1136364100 + 177502329 = 33710^2 + 13323^2 .

It is a cyclic number.

It is not a de Polignac number, because 1313866429 - 2¹ = 1313866427 is a prime.

Together with 1313866427, 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 (1313866423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656933214 + 656933215.

It is an arithmetic number, because the mean of its divisors is an integer number (656933215).

Almost surely, 2^1313866429 is an apocalyptic number.

It is an amenable number.

1313866429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1313866429 is an equidigital number, since it uses as much as digits as its factorization.

1313866429 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 43.

The square root of 1313866429 is about 36247.2954715245. The cubic root of 1313866429 is about 1095.2596088722.

The spelling of 1313866429 in words is "one billion, three hundred thirteen million, eight hundred sixty-six thousand, four hundred twenty-nine".