83742648019 has 2 divisors, whose sum is σ = 83742648020. Its totient is φ = 83742648018.

The previous prime is 83742647783. The next prime is 83742648047. The reversal of 83742648019 is 91084624738.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 83742648019 - 2¹⁷ = 83742516947 is a prime.

It is a super-2 number, since 2×83742648019² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (83742648079) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41871324009 + 41871324010.

It is an arithmetic number, because the mean of its divisors is an integer number (41871324010).

Almost surely, 2^83742648019 is an apocalyptic number.

83742648019 is a deficient number, since it is larger than the sum of its proper divisors (1).

83742648019 is an equidigital number, since it uses as much as digits as its factorization.

83742648019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2322432, while the sum is 52.

The spelling of 83742648019 in words is "eighty-three billion, seven hundred forty-two million, six hundred forty-eight thousand, nineteen".