83742645629 has 2 divisors, whose sum is σ = 83742645630. Its totient is φ = 83742645628.

The previous prime is 83742645587. The next prime is 83742645719. The reversal of 83742645629 is 92654624738.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 62978412025 + 20764233604 = 250955^2 + 144098^2 .

It is a cyclic number.

It is not a de Polignac number, because 83742645629 - 2³⁶ = 15023168893 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (83742645029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41871322814 + 41871322815.

It is an arithmetic number, because the mean of its divisors is an integer number (41871322815).

Almost surely, 2^83742645629 is an apocalyptic number.

It is an amenable number.

83742645629 is a deficient number, since it is larger than the sum of its proper divisors (1).

83742645629 is an equidigital number, since it uses as much as digits as its factorization.

83742645629 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17418240, while the sum is 56.

The spelling of 83742645629 in words is "eighty-three billion, seven hundred forty-two million, six hundred forty-five thousand, six hundred twenty-nine".