83433340457 has 2 divisors, whose sum is σ = 83433340458. Its totient is φ = 83433340456.

The previous prime is 83433340453. The next prime is 83433340483. The reversal of 83433340457 is 75404333438.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 44037442201 + 39395898256 = 209851^2 + 198484^2 .

It is a cyclic number.

It is not a de Polignac number, because 83433340457 - 2² = 83433340453 is a prime.

It is a super-2 number, since 2×83433340457² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (83433340453) 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, 41716670228 + 41716670229.

It is an arithmetic number, because the mean of its divisors is an integer number (41716670229).

Almost surely, 2^83433340457 is an apocalyptic number.

It is an amenable number.

83433340457 is a deficient number, since it is larger than the sum of its proper divisors (1).

83433340457 is an equidigital number, since it uses as much as digits as its factorization.

83433340457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1451520, while the sum is 44.

The spelling of 83433340457 in words is "eighty-three billion, four hundred thirty-three million, three hundred forty thousand, four hundred fifty-seven".