73835672081489 has 2 divisors, whose sum is σ = 73835672081490. Its totient is φ = 73835672081488.

The previous prime is 73835672081299. The next prime is 73835672081531. The reversal of 73835672081489 is 98418027653837.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66845422569025 + 6990249512464 = 8175905^2 + 2643908^2 .

It is a cyclic number.

It is not a de Polignac number, because 73835672081489 - 2²⁴ = 73835655304273 is a prime.

It is not a weakly prime, because it can be changed into another prime (73835672083489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36917836040744 + 36917836040745.

It is an arithmetic number, because the mean of its divisors is an integer number (36917836040745).

It is a 1-persistent number, because it is pandigital, but 2⋅73835672081489 = 147671344162978 is not.

Almost surely, 2^{73835672081489} is an apocalyptic number.

It is an amenable number.

73835672081489 is a deficient number, since it is larger than the sum of its proper divisors (1).

73835672081489 is an equidigital number, since it uses as much as digits as its factorization.

73835672081489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 487710720, while the sum is 71.

The spelling of 73835672081489 in words is "seventy-three trillion, eight hundred thirty-five billion, six hundred seventy-two million, eighty-one thousand, four hundred eighty-nine".