1899241313 has 2 divisors, whose sum is σ = 1899241314. Its totient is φ = 1899241312.

The previous prime is 1899241303. The next prime is 1899241363. The reversal of 1899241313 is 3131429981.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1589058769 + 310182544 = 39863^2 + 17612^2 .

It is a cyclic number.

It is not a de Polignac number, because 1899241313 - 2⁴ = 1899241297 is a prime.

It is not a weakly prime, because it can be changed into another prime (1899241303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 949620656 + 949620657.

It is an arithmetic number, because the mean of its divisors is an integer number (949620657).

Almost surely, 2^1899241313 is an apocalyptic number.

It is an amenable number.

1899241313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1899241313 is an equidigital number, since it uses as much as digits as its factorization.

1899241313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 41.

The square root of 1899241313 is about 43580.2858297189. The cubic root of 1899241313 is about 1238.3974513424.

The spelling of 1899241313 in words is "one billion, eight hundred ninety-nine million, two hundred forty-one thousand, three hundred thirteen".