909049223149 has 2 divisors, whose sum is σ = 909049223150. Its totient is φ = 909049223148.

The previous prime is 909049223143. The next prime is 909049223153. The reversal of 909049223149 is 941322940909.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 497934866025 + 411114357124 = 705645^2 + 641182^2 .

It is a cyclic number.

It is not a de Polignac number, because 909049223149 - 2¹⁵ = 909049190381 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 909049223096 and 909049223105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (909049223143) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 454524611574 + 454524611575.

It is an arithmetic number, because the mean of its divisors is an integer number (454524611575).

Almost surely, 2^909049223149 is an apocalyptic number.

It is an amenable number.

909049223149 is a deficient number, since it is larger than the sum of its proper divisors (1).

909049223149 is an equidigital number, since it uses as much as digits as its factorization.

909049223149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1259712, while the sum is 52.

The spelling of 909049223149 in words is "nine hundred nine billion, forty-nine million, two hundred twenty-three thousand, one hundred forty-nine".