42731760293 has 2 divisors, whose sum is σ = 42731760294. Its totient is φ = 42731760292.

The previous prime is 42731760271. The next prime is 42731760299. The reversal of 42731760293 is 39206713724.

42731760293 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 can be written as a sum of positive squares in only one way, i.e., 37097456449 + 5634303844 = 192607^2 + 75062^2 .

It is a cyclic number.

It is not a de Polignac number, because 42731760293 - 2⁶ = 42731760229 is a prime.

It is a super-2 number, since 2×42731760293² (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 (42731760299) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21365880146 + 21365880147.

It is an arithmetic number, because the mean of its divisors is an integer number (21365880147).

Almost surely, 2^42731760293 is an apocalyptic number.

It is an amenable number.

42731760293 is a deficient number, since it is larger than the sum of its proper divisors (1).

42731760293 is an equidigital number, since it uses as much as digits as its factorization.

42731760293 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 44.

The spelling of 42731760293 in words is "forty-two billion, seven hundred thirty-one million, seven hundred sixty thousand, two hundred ninety-three".