42788350369 has 2 divisors, whose sum is σ = 42788350370. Its totient is φ = 42788350368.

The previous prime is 42788350307. The next prime is 42788350373. The reversal of 42788350369 is 96305388724.

42788350369 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., 28186044769 + 14602305600 = 167887^2 + 120840^2 .

It is a cyclic number.

It is not a de Polignac number, because 42788350369 - 2²³ = 42779961761 is a prime.

It is a super-2 number, since 2×42788350369² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (42788357369) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21394175184 + 21394175185.

It is an arithmetic number, because the mean of its divisors is an integer number (21394175185).

Almost surely, 2^42788350369 is an apocalyptic number.

It is an amenable number.

42788350369 is a deficient number, since it is larger than the sum of its proper divisors (1).

42788350369 is an equidigital number, since it uses as much as digits as its factorization.

42788350369 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8709120, while the sum is 55.

The spelling of 42788350369 in words is "forty-two billion, seven hundred eighty-eight million, three hundred fifty thousand, three hundred sixty-nine".