83333337481 has 2 divisors, whose sum is σ = 83333337482. Its totient is φ = 83333337480.

The previous prime is 83333337463. The next prime is 83333337517. The reversal of 83333337481 is 18473333338.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66038720400 + 17294617081 = 256980^2 + 131509^2 .

It is a cyclic number.

It is not a de Polignac number, because 83333337481 - 2²¹ = 83331240329 is a prime.

It is a super-2 number, since 2×83333337481² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (83333337181) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41666668740 + 41666668741.

It is an arithmetic number, because the mean of its divisors is an integer number (41666668741).

Almost surely, 2^83333337481 is an apocalyptic number.

It is an amenable number.

83333337481 is a deficient number, since it is larger than the sum of its proper divisors (1).

83333337481 is an equidigital number, since it uses as much as digits as its factorization.

83333337481 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 46.

The spelling of 83333337481 in words is "eighty-three billion, three hundred thirty-three million, three hundred thirty-seven thousand, four hundred eighty-one".