42200134643 has 2 divisors, whose sum is σ = 42200134644. Its totient is φ = 42200134642.

The previous prime is 42200134607. The next prime is 42200134667. The reversal of 42200134643 is 34643100224.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42200134643 - 2³⁰ = 41126392819 is a prime.

It is not a weakly prime, because it can be changed into another prime (42200134043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21100067321 + 21100067322.

It is an arithmetic number, because the mean of its divisors is an integer number (21100067322).

Almost surely, 2^42200134643 is an apocalyptic number.

42200134643 is a deficient number, since it is larger than the sum of its proper divisors (1).

42200134643 is an equidigital number, since it uses as much as digits as its factorization.

42200134643 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 42200134643 its reverse (34643100224), we get a palindrome (76843234867).

The spelling of 42200134643 in words is "forty-two billion, two hundred million, one hundred thirty-four thousand, six hundred forty-three".