1835480861 has 2 divisors, whose sum is σ = 1835480862. Its totient is φ = 1835480860.

The previous prime is 1835480849. The next prime is 1835480863. The reversal of 1835480861 is 1680845381.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1774936900 + 60543961 = 42130^2 + 7781^2 .

It is a cyclic number.

It is not a de Polignac number, because 1835480861 - 2⁶ = 1835480797 is a prime.

Together with 1835480863, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1835480863) 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, 917740430 + 917740431.

It is an arithmetic number, because the mean of its divisors is an integer number (917740431).

Almost surely, 2^1835480861 is an apocalyptic number.

It is an amenable number.

1835480861 is a deficient number, since it is larger than the sum of its proper divisors (1).

1835480861 is an equidigital number, since it uses as much as digits as its factorization.

1835480861 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 184320, while the sum is 44.

The square root of 1835480861 is about 42842.5123096207. The cubic root of 1835480861 is about 1224.3811086747.

The spelling of 1835480861 in words is "one billion, eight hundred thirty-five million, four hundred eighty thousand, eight hundred sixty-one".