42134424461237 has 2 divisors, whose sum is σ = 42134424461238. Its totient is φ = 42134424461236.

The previous prime is 42134424461219. The next prime is 42134424461267. The reversal of 42134424461237 is 73216442443124.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21091965574801 + 21042458886436 = 4592599^2 + 4587206^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42134424461237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42134424461191 and 42134424461200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42134424461267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21067212230618 + 21067212230619.

It is an arithmetic number, because the mean of its divisors is an integer number (21067212230619).

Almost surely, 2^{42134424461237} is an apocalyptic number.

It is an amenable number.

42134424461237 is a deficient number, since it is larger than the sum of its proper divisors (1).

42134424461237 is an equidigital number, since it uses as much as digits as its factorization.

42134424461237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3096576, while the sum is 47.

The spelling of 42134424461237 in words is "forty-two trillion, one hundred thirty-four billion, four hundred twenty-four million, four hundred sixty-one thousand, two hundred thirty-seven".