73898289837 has 6 divisors (see below), whose sum is σ = 106741974222. Its totient is φ = 49265526552.

The previous prime is 73898289809. The next prime is 73898289853.

73898289837 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in only one way, i.e., 46218980196 + 27679309641 = 214986^2 + 166371^2 .

It is not a de Polignac number, because 73898289837 - 2¹¹ = 73898287789 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73898289887) 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 in 5 ways as a sum of consecutive naturals, for example, 4105460538 + ... + 4105460555.

It is an arithmetic number, because the mean of its divisors is an integer number (17790329037).

Almost surely, 2^73898289837 is an apocalyptic number.

It is an amenable number.

73898289837 is a deficient number, since it is larger than the sum of its proper divisors (32843684385).

73898289837 is a wasteful number, since it uses less digits than its factorization.

73898289837 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8210921099 (or 8210921096 counting only the distinct ones).

The product of its digits is 292626432, while the sum is 72.

The spelling of 73898289837 in words is "seventy-three billion, eight hundred ninety-eight million, two hundred eighty-nine thousand, eight hundred thirty-seven".