83287450638929 has 2 divisors, whose sum is σ = 83287450638930. Its totient is φ = 83287450638928.

The previous prime is 83287450638919. The next prime is 83287450638991. The reversal of 83287450638929 is 92983605478238.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 74439830133904 + 8847620505025 = 8627852^2 + 2974495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-83287450638929 is a prime.

It is not a weakly prime, because it can be changed into another prime (83287450638919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41643725319464 + 41643725319465.

It is an arithmetic number, because the mean of its divisors is an integer number (41643725319465).

Almost surely, 2^{83287450638929} is an apocalyptic number.

It is an amenable number.

83287450638929 is a deficient number, since it is larger than the sum of its proper divisors (1).

83287450638929 is an equidigital number, since it uses as much as digits as its factorization.

83287450638929 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1254113280, while the sum is 74.

The spelling of 83287450638929 in words is "eighty-three trillion, two hundred eighty-seven billion, four hundred fifty million, six hundred thirty-eight thousand, nine hundred twenty-nine".