855184049 has 2 divisors, whose sum is σ = 855184050. Its totient is φ = 855184048.

The previous prime is 855184009. The next prime is 855184061. The reversal of 855184049 is 940481558.

855184049 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 453903025 + 401281024 = 21305^2 + 20032^2 .

It is a cyclic number.

It is not a de Polignac number, because 855184049 - 2²⁸ = 586748593 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (855184009) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427592024 + 427592025.

It is an arithmetic number, because the mean of its divisors is an integer number (427592025).

Almost surely, 2^855184049 is an apocalyptic number.

It is an amenable number.

855184049 is a deficient number, since it is larger than the sum of its proper divisors (1).

855184049 is an equidigital number, since it uses as much as digits as its factorization.

855184049 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230400, while the sum is 44.

The square root of 855184049 is about 29243.5300365739. The cubic root of 855184049 is about 949.1900942128.

The spelling of 855184049 in words is "eight hundred fifty-five million, one hundred eighty-four thousand, forty-nine".