83415128140433 has 2 divisors, whose sum is σ = 83415128140434. Its totient is φ = 83415128140432.

The previous prime is 83415128140427. The next prime is 83415128140441. The reversal of 83415128140433 is 33404182151438.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 59095011779584 + 24320116360849 = 7687328^2 + 4931543^2 .

It is a cyclic number.

It is not a de Polignac number, because 83415128140433 - 2⁴ = 83415128140417 is a prime.

It is not a weakly prime, because it can be changed into another prime (83415128140403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41707564070216 + 41707564070217.

It is an arithmetic number, because the mean of its divisors is an integer number (41707564070217).

Almost surely, 2^{83415128140433} is an apocalyptic number.

It is an amenable number.

83415128140433 is a deficient number, since it is larger than the sum of its proper divisors (1).

83415128140433 is an equidigital number, since it uses as much as digits as its factorization.

83415128140433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1105920, while the sum is 47.

The spelling of 83415128140433 in words is "eighty-three trillion, four hundred fifteen billion, one hundred twenty-eight million, one hundred forty thousand, four hundred thirty-three".