42684612941 has 2 divisors, whose sum is σ = 42684612942. Its totient is φ = 42684612940.

The previous prime is 42684612923. The next prime is 42684612953. The reversal of 42684612941 is 14921648624.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42016390441 + 668222500 = 204979^2 + 25850^2 .

It is a cyclic number.

It is not a de Polignac number, because 42684612941 - 2¹⁰ = 42684611917 is a prime.

It is a super-3 number, since 3×42684612941³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42684614941) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21342306470 + 21342306471.

It is an arithmetic number, because the mean of its divisors is an integer number (21342306471).

Almost surely, 2^42684612941 is an apocalyptic number.

It is an amenable number.

42684612941 is a deficient number, since it is larger than the sum of its proper divisors (1).

42684612941 is an equidigital number, since it uses as much as digits as its factorization.

42684612941 is an evil number, because the sum of its binary digits is even.

The product of its digits is 663552, while the sum is 47.

The spelling of 42684612941 in words is "forty-two billion, six hundred eighty-four million, six hundred twelve thousand, nine hundred forty-one".