1799999413 has 2 divisors, whose sum is σ = 1799999414. Its totient is φ = 1799999412.

The previous prime is 1799999387. The next prime is 1799999449. The reversal of 1799999413 is 3149999971.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1715782084 + 84217329 = 41422^2 + 9177^2 .

It is an emirp because it is prime and its reverse (3149999971) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1799999413 - 2⁹ = 1799998901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1799999483) 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, 899999706 + 899999707.

It is an arithmetic number, because the mean of its divisors is an integer number (899999707).

Almost surely, 2^1799999413 is an apocalyptic number.

It is an amenable number.

1799999413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1799999413 is an equidigital number, since it uses as much as digits as its factorization.

1799999413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4960116, while the sum is 61.

The square root of 1799999413 is about 42426.3999533309. The cubic root of 1799999413 is about 1216.4402668831.

The spelling of 1799999413 in words is "one billion, seven hundred ninety-nine million, nine hundred ninety-nine thousand, four hundred thirteen".