42433144133461 has 2 divisors, whose sum is σ = 42433144133462. Its totient is φ = 42433144133460.

The previous prime is 42433144133399. The next prime is 42433144133467. The reversal of 42433144133461 is 16433144133424.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 42342103140561 + 91040992900 = 6507081^2 + 301730^2 .

It is a cyclic number.

It is not a de Polignac number, because 42433144133461 - 2¹⁵ = 42433144100693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42433144133467) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21216572066730 + 21216572066731.

It is an arithmetic number, because the mean of its divisors is an integer number (21216572066731).

Almost surely, 2^{42433144133461} is an apocalyptic number.

It is an amenable number.

42433144133461 is a deficient number, since it is larger than the sum of its proper divisors (1).

42433144133461 is an equidigital number, since it uses as much as digits as its factorization.

42433144133461 is an evil number, because the sum of its binary digits is even.

The product of its digits is 995328, while the sum is 43.

Adding to 42433144133461 its reverse (16433144133424), we get a palindrome (58866288266885).

The spelling of 42433144133461 in words is "forty-two trillion, four hundred thirty-three billion, one hundred forty-four million, one hundred thirty-three thousand, four hundred sixty-one".