42144424051 has 2 divisors, whose sum is σ = 42144424052. Its totient is φ = 42144424050.

The previous prime is 42144424043. The next prime is 42144424057. The reversal of 42144424051 is 15042444124.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 42144424051 - 2³ = 42144424043 is a prime.

It is not a weakly prime, because it can be changed into another prime (42144424057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21072212025 + 21072212026.

It is an arithmetic number, because the mean of its divisors is an integer number (21072212026).

Almost surely, 2^42144424051 is an apocalyptic number.

42144424051 is a deficient number, since it is larger than the sum of its proper divisors (1).

42144424051 is an equidigital number, since it uses as much as digits as its factorization.

42144424051 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20480, while the sum is 31.

Adding to 42144424051 its reverse (15042444124), we get a palindrome (57186868175).

The spelling of 42144424051 in words is "forty-two billion, one hundred forty-four million, four hundred twenty-four thousand, fifty-one".