83389845401 has 2 divisors, whose sum is σ = 83389845402. Its totient is φ = 83389845400.

The previous prime is 83389845379. The next prime is 83389845431. The reversal of 83389845401 is 10454898338.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 75842406025 + 7547439376 = 275395^2 + 86876^2 .

It is a cyclic number.

It is not a de Polignac number, because 83389845401 - 2³⁰ = 82316103577 is a prime.

It is not a weakly prime, because it can be changed into another prime (83389845431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41694922700 + 41694922701.

It is an arithmetic number, because the mean of its divisors is an integer number (41694922701).

Almost surely, 2^83389845401 is an apocalyptic number.

It is an amenable number.

83389845401 is a deficient number, since it is larger than the sum of its proper divisors (1).

83389845401 is an equidigital number, since it uses as much as digits as its factorization.

83389845401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3317760, while the sum is 53.

The spelling of 83389845401 in words is "eighty-three billion, three hundred eighty-nine million, eight hundred forty-five thousand, four hundred one".