1799434393 has 2 divisors, whose sum is σ = 1799434394. Its totient is φ = 1799434392.

The previous prime is 1799434367. The next prime is 1799434421. The reversal of 1799434393 is 3934349971.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1761648784 + 37785609 = 41972^2 + 6147^2 .

It is a cyclic number.

It is not a de Polignac number, because 1799434393 - 2²⁵ = 1765879961 is a prime.

It is a super-2 number, since 2×1799434393² = 6475928269422556898, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1799434393.

It is not a weakly prime, because it can be changed into another prime (1799434313) 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, 899717196 + 899717197.

It is an arithmetic number, because the mean of its divisors is an integer number (899717197).

Almost surely, 2^1799434393 is an apocalyptic number.

It is an amenable number.

1799434393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1799434393 is an equidigital number, since it uses as much as digits as its factorization.

1799434393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2204496, while the sum is 52.

The square root of 1799434393 is about 42419.7406050532. The cubic root of 1799434393 is about 1216.3129733216.

The spelling of 1799434393 in words is "one billion, seven hundred ninety-nine million, four hundred thirty-four thousand, three hundred ninety-three".