42144355093 has 2 divisors, whose sum is σ = 42144355094. Its totient is φ = 42144355092.

The previous prime is 42144355081. The next prime is 42144355133. The reversal of 42144355093 is 39055344124.

It is an a-pointer prime, because the next prime (42144355133) can be obtained adding 42144355093 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 26347133124 + 15797221969 = 162318^2 + 125687^2 .

It is a cyclic number.

It is not a de Polignac number, because 42144355093 - 2¹⁷ = 42144224021 is a prime.

It is a super-2 number, since 2×42144355093² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42144355193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21072177546 + 21072177547.

It is an arithmetic number, because the mean of its divisors is an integer number (21072177547).

Almost surely, 2^42144355093 is an apocalyptic number.

It is an amenable number.

42144355093 is a deficient number, since it is larger than the sum of its proper divisors (1).

42144355093 is an equidigital number, since it uses as much as digits as its factorization.

42144355093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 259200, while the sum is 40.

The spelling of 42144355093 in words is "forty-two billion, one hundred forty-four million, three hundred fifty-five thousand, ninety-three".