42124632643 has 2 divisors, whose sum is σ = 42124632644. Its totient is φ = 42124632642.

The previous prime is 42124632619. The next prime is 42124632647. The reversal of 42124632643 is 34623642124.

42124632643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42124632643 is a prime.

It is not a weakly prime, because it can be changed into another prime (42124632647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21062316321 + 21062316322.

It is an arithmetic number, because the mean of its divisors is an integer number (21062316322).

Almost surely, 2^42124632643 is an apocalyptic number.

42124632643 is a deficient number, since it is larger than the sum of its proper divisors (1).

42124632643 is an equidigital number, since it uses as much as digits as its factorization.

42124632643 is an evil number, because the sum of its binary digits is even.

The product of its digits is 165888, while the sum is 37.

The spelling of 42124632643 in words is "forty-two billion, one hundred twenty-four million, six hundred thirty-two thousand, six hundred forty-three".