73026535709 has 2 divisors, whose sum is σ = 73026535710. Its totient is φ = 73026535708.

The previous prime is 73026535693. The next prime is 73026535721. The reversal of 73026535709 is 90753562037.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72888120484 + 138415225 = 269978^2 + 11765^2 .

It is a cyclic number.

It is not a de Polignac number, because 73026535709 - 2⁴ = 73026535693 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (73026535789) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 36513267854 + 36513267855.

It is an arithmetic number, because the mean of its divisors is an integer number (36513267855).

Almost surely, 2^73026535709 is an apocalyptic number.

It is an amenable number.

73026535709 is a deficient number, since it is larger than the sum of its proper divisors (1).

73026535709 is an equidigital number, since it uses as much as digits as its factorization.

73026535709 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1190700, while the sum is 47.

The spelling of 73026535709 in words is "seventy-three billion, twenty-six million, five hundred thirty-five thousand, seven hundred nine".