6514140449 has 2 divisors, whose sum is σ = 6514140450. Its totient is φ = 6514140448.

The previous prime is 6514140401. The next prime is 6514140467. The reversal of 6514140449 is 9440414156.

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., 6419214400 + 94926049 = 80120^2 + 9743^2 .

It is a cyclic number.

It is not a de Polignac number, because 6514140449 - 2¹⁶ = 6514074913 is a prime.

It is not a weakly prime, because it can be changed into another prime (6514140469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3257070224 + 3257070225.

It is an arithmetic number, because the mean of its divisors is an integer number (3257070225).

Almost surely, 2^6514140449 is an apocalyptic number.

It is an amenable number.

6514140449 is a deficient number, since it is larger than the sum of its proper divisors (1).

6514140449 is an equidigital number, since it uses as much as digits as its factorization.

6514140449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 69120, while the sum is 38.

The square root of 6514140449 is about 80710.2251824389. The cubic root of 6514140449 is about 1867.6079157627.

The spelling of 6514140449 in words is "six billion, five hundred fourteen million, one hundred forty thousand, four hundred forty-nine".