6342049561 has 2 divisors, whose sum is σ = 6342049562. Its totient is φ = 6342049560.

The previous prime is 6342049523. The next prime is 6342049583. The reversal of 6342049561 is 1659402436.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6320250000 + 21799561 = 79500^2 + 4669^2 .

It is a cyclic number.

It is not a de Polignac number, because 6342049561 - 2⁷ = 6342049433 is a prime.

It is not a weakly prime, because it can be changed into another prime (6342049361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3171024780 + 3171024781.

It is an arithmetic number, because the mean of its divisors is an integer number (3171024781).

Almost surely, 2^6342049561 is an apocalyptic number.

It is an amenable number.

6342049561 is a deficient number, since it is larger than the sum of its proper divisors (1).

6342049561 is an equidigital number, since it uses as much as digits as its factorization.

6342049561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 155520, while the sum is 40.

The square root of 6342049561 is about 79636.9861370959. The cubic root of 6342049561 is about 1851.0147402126.

The spelling of 6342049561 in words is "six billion, three hundred forty-two million, forty-nine thousand, five hundred sixty-one".