83742645719 has 2 divisors, whose sum is σ = 83742645720. Its totient is φ = 83742645718.

The previous prime is 83742645629. The next prime is 83742645827. The reversal of 83742645719 is 91754624738.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83742645719 is a prime.

It is a super-2 number, since 2×83742645719² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83742645319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41871322859 + 41871322860.

It is an arithmetic number, because the mean of its divisors is an integer number (41871322860).

Almost surely, 2^83742645719 is an apocalyptic number.

83742645719 is a deficient number, since it is larger than the sum of its proper divisors (1).

83742645719 is an equidigital number, since it uses as much as digits as its factorization.

83742645719 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10160640, while the sum is 56.

The spelling of 83742645719 in words is "eighty-three billion, seven hundred forty-two million, six hundred forty-five thousand, seven hundred nineteen".