42774310619 has 2 divisors, whose sum is σ = 42774310620. Its totient is φ = 42774310618.

The previous prime is 42774310603. The next prime is 42774310637. The reversal of 42774310619 is 91601347724.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 42774310619 - 2⁴ = 42774310603 is a prime.

It is a super-2 number, since 2×42774310619² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 42774310619.

It is not a weakly prime, because it can be changed into another prime (42774310669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21387155309 + 21387155310.

It is an arithmetic number, because the mean of its divisors is an integer number (21387155310).

Almost surely, 2^42774310619 is an apocalyptic number.

42774310619 is a deficient number, since it is larger than the sum of its proper divisors (1).

42774310619 is an equidigital number, since it uses as much as digits as its factorization.

42774310619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 254016, while the sum is 44.

The spelling of 42774310619 in words is "forty-two billion, seven hundred seventy-four million, three hundred ten thousand, six hundred nineteen".