42755227369 has 2 divisors, whose sum is σ = 42755227370. Its totient is φ = 42755227368.

The previous prime is 42755227303. The next prime is 42755227379. The reversal of 42755227369 is 96372255724.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 39132752400 + 3622474969 = 197820^2 + 60187^2 .

It is a cyclic number.

It is not a de Polignac number, because 42755227369 - 2¹⁷ = 42755096297 is a prime.

It is a super-2 number, since 2×42755227369² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42755227379) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21377613684 + 21377613685.

It is an arithmetic number, because the mean of its divisors is an integer number (21377613685).

Almost surely, 2^42755227369 is an apocalyptic number.

It is an amenable number.

42755227369 is a deficient number, since it is larger than the sum of its proper divisors (1).

42755227369 is an equidigital number, since it uses as much as digits as its factorization.

42755227369 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6350400, while the sum is 52.

The spelling of 42755227369 in words is "forty-two billion, seven hundred fifty-five million, two hundred twenty-seven thousand, three hundred sixty-nine".