909049223143 has 2 divisors, whose sum is σ = 909049223144. Its totient is φ = 909049223142.

The previous prime is 909049223063. The next prime is 909049223149. The reversal of 909049223143 is 341322940909.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 909049223143 - 2¹³ = 909049214951 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 909049223093 and 909049223102.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (909049223149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 454524611571 + 454524611572.

It is an arithmetic number, because the mean of its divisors is an integer number (454524611572).

Almost surely, 2^909049223143 is an apocalyptic number.

909049223143 is a deficient number, since it is larger than the sum of its proper divisors (1).

909049223143 is an equidigital number, since it uses as much as digits as its factorization.

909049223143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 419904, while the sum is 46.

The spelling of 909049223143 in words is "nine hundred nine billion, forty-nine million, two hundred twenty-three thousand, one hundred forty-three".