2154414349 has 2 divisors, whose sum is σ = 2154414350. Its totient is φ = 2154414348.

The previous prime is 2154414289. The next prime is 2154414371. The reversal of 2154414349 is 9434144512.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1818425449 + 335988900 = 42643^2 + 18330^2 .

It is a cyclic number.

It is not a de Polignac number, because 2154414349 - 2¹³ = 2154406157 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2154414149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1077207174 + 1077207175.

It is an arithmetic number, because the mean of its divisors is an integer number (1077207175).

Almost surely, 2^2154414349 is an apocalyptic number.

It is an amenable number.

2154414349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2154414349 is an equidigital number, since it uses as much as digits as its factorization.

2154414349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 37.

The square root of 2154414349 is about 46415.6692184870. The cubic root of 2154414349 is about 1291.5456002927.

The spelling of 2154414349 in words is "two billion, one hundred fifty-four million, four hundred fourteen thousand, three hundred forty-nine".