1840419101 has 2 divisors, whose sum is σ = 1840419102. Its totient is φ = 1840419100.

The previous prime is 1840419089. The next prime is 1840419127. The reversal of 1840419101 is 1019140481.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1652016025 + 188403076 = 40645^2 + 13726^2 .

It is a cyclic number.

It is not a de Polignac number, because 1840419101 - 2¹⁰ = 1840418077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1840419601) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 920209550 + 920209551.

It is an arithmetic number, because the mean of its divisors is an integer number (920209551).

Almost surely, 2^1840419101 is an apocalyptic number.

It is an amenable number.

1840419101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1840419101 is an equidigital number, since it uses as much as digits as its factorization.

1840419101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 29.

The square root of 1840419101 is about 42900.1060721299. The cubic root of 1840419101 is about 1225.4781642393.

Adding to 1840419101 its reverse (1019140481), we get a palindrome (2859559582).

The spelling of 1840419101 in words is "one billion, eight hundred forty million, four hundred nineteen thousand, one hundred one".