83070849289 has 2 divisors, whose sum is σ = 83070849290. Its totient is φ = 83070849288.

The previous prime is 83070849287. The next prime is 83070849343. The reversal of 83070849289 is 98294807038.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66873960000 + 16196889289 = 258600^2 + 127267^2 .

It is a cyclic number.

It is not a de Polignac number, because 83070849289 - 2¹ = 83070849287 is a prime.

Together with 83070849287, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (83070849287) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41535424644 + 41535424645.

It is an arithmetic number, because the mean of its divisors is an integer number (41535424645).

Almost surely, 2^83070849289 is an apocalyptic number.

It is an amenable number.

83070849289 is a deficient number, since it is larger than the sum of its proper divisors (1).

83070849289 is an equidigital number, since it uses as much as digits as its factorization.

83070849289 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6967296, while the sum is 58.

The spelling of 83070849289 in words is "eighty-three billion, seventy million, eight hundred forty-nine thousand, two hundred eighty-nine".