42346018061 has 2 divisors, whose sum is σ = 42346018062. Its totient is φ = 42346018060.

The previous prime is 42346018009. The next prime is 42346018103. The reversal of 42346018061 is 16081064324.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36708260836 + 5637757225 = 191594^2 + 75085^2 .

It is a cyclic number.

It is not a de Polignac number, because 42346018061 - 2⁶ = 42346017997 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42346018261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21173009030 + 21173009031.

It is an arithmetic number, because the mean of its divisors is an integer number (21173009031).

Almost surely, 2^42346018061 is an apocalyptic number.

It is an amenable number.

42346018061 is a deficient number, since it is larger than the sum of its proper divisors (1).

42346018061 is an equidigital number, since it uses as much as digits as its factorization.

42346018061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 42346018061 in words is "forty-two billion, three hundred forty-six million, eighteen thousand, sixty-one".