42812530093 has 2 divisors, whose sum is σ = 42812530094. Its totient is φ = 42812530092.

The previous prime is 42812530087. The next prime is 42812530097. The reversal of 42812530093 is 39003521824.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35973570889 + 6838959204 = 189667^2 + 82698^2 .

It is a cyclic number.

It is not a de Polignac number, because 42812530093 - 2¹³ = 42812521901 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42812530097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21406265046 + 21406265047.

It is an arithmetic number, because the mean of its divisors is an integer number (21406265047).

Almost surely, 2^42812530093 is an apocalyptic number.

It is an amenable number.

42812530093 is a deficient number, since it is larger than the sum of its proper divisors (1).

42812530093 is an equidigital number, since it uses as much as digits as its factorization.

42812530093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 37.

The spelling of 42812530093 in words is "forty-two billion, eight hundred twelve million, five hundred thirty thousand, ninety-three".