42349661141 has 2 divisors, whose sum is σ = 42349661142. Its totient is φ = 42349661140.

The previous prime is 42349661113. The next prime is 42349661209. The reversal of 42349661141 is 14116694324.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29181180625 + 13168480516 = 170825^2 + 114754^2 .

It is a cyclic number.

It is not a de Polignac number, because 42349661141 - 2²² = 42345466837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42339661141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21174830570 + 21174830571.

It is an arithmetic number, because the mean of its divisors is an integer number (21174830571).

Almost surely, 2^42349661141 is an apocalyptic number.

It is an amenable number.

42349661141 is a deficient number, since it is larger than the sum of its proper divisors (1).

42349661141 is an equidigital number, since it uses as much as digits as its factorization.

42349661141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 124416, while the sum is 41.

The spelling of 42349661141 in words is "forty-two billion, three hundred forty-nine million, six hundred sixty-one thousand, one hundred forty-one".