83500008313 has 2 divisors, whose sum is σ = 83500008314. Its totient is φ = 83500008312.

The previous prime is 83500008311. The next prime is 83500008341. The reversal of 83500008313 is 31380000538.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 83456276544 + 43731769 = 288888^2 + 6613^2 .

It is a cyclic number.

It is not a de Polignac number, because 83500008313 - 2¹ = 83500008311 is a prime.

Together with 83500008311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (83500008311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41750004156 + 41750004157.

It is an arithmetic number, because the mean of its divisors is an integer number (41750004157).

Almost surely, 2^83500008313 is an apocalyptic number.

It is an amenable number.

83500008313 is a deficient number, since it is larger than the sum of its proper divisors (1).

83500008313 is an equidigital number, since it uses as much as digits as its factorization.

83500008313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8640, while the sum is 31.

The spelling of 83500008313 in words is "eighty-three billion, five hundred million, eight thousand, three hundred thirteen".