1835338720069 has 2 divisors, whose sum is σ = 1835338720070. Its totient is φ = 1835338720068.

The previous prime is 1835338720051. The next prime is 1835338720073. The reversal of 1835338720069 is 9600278335381.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1045888699969 + 789450020100 = 1022687^2 + 888510^2 .

It is a cyclic number.

It is not a de Polignac number, because 1835338720069 - 2²⁵ = 1835305165637 is a prime.

It is a super-2 number, since 2×1835338720069² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1835338720049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 917669360034 + 917669360035.

It is an arithmetic number, because the mean of its divisors is an integer number (917669360035).

Almost surely, 2^{1835338720069} is an apocalyptic number.

It is an amenable number.

1835338720069 is a deficient number, since it is larger than the sum of its proper divisors (1).

1835338720069 is an equidigital number, since it uses as much as digits as its factorization.

1835338720069 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6531840, while the sum is 55.

The spelling of 1835338720069 in words is "one trillion, eight hundred thirty-five billion, three hundred thirty-eight million, seven hundred twenty thousand, sixty-nine".