42254723317 has 2 divisors, whose sum is σ = 42254723318. Its totient is φ = 42254723316.

The previous prime is 42254723311. The next prime is 42254723323. The reversal of 42254723317 is 71332745224.

It is a balanced prime because it is at equal distance from previous prime (42254723311) and next prime (42254723323).

It can be written as a sum of positive squares in only one way, i.e., 29459946321 + 12794776996 = 171639^2 + 113114^2 .

It is a cyclic number.

It is not a de Polignac number, because 42254723317 - 2²³ = 42246334709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 42254723317.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (42254723311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21127361658 + 21127361659.

It is an arithmetic number, because the mean of its divisors is an integer number (21127361659).

Almost surely, 2^42254723317 is an apocalyptic number.

It is an amenable number.

42254723317 is a deficient number, since it is larger than the sum of its proper divisors (1).

42254723317 is an equidigital number, since it uses as much as digits as its factorization.

42254723317 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 282240, while the sum is 40.

The spelling of 42254723317 in words is "forty-two billion, two hundred fifty-four million, seven hundred twenty-three thousand, three hundred seventeen".