84809711241 has 12 divisors (see below), whose sum is σ = 123028682868. Its totient is φ = 56297145984.

The previous prime is 84809711213. The next prime is 84809711339. The reversal of 84809711241 is 14211790848.

It can be written as a sum of positive squares in 2 ways, for example, as 18505521225 + 66304190016 = 136035^2 + 257496^2 .

It is not a de Polignac number, because 84809711241 - 2¹⁷ = 84809580169 is a prime.

It is not an unprimeable number, because it can be changed into a prime (84809711141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20219580 + ... + 20223773.

It is an arithmetic number, because the mean of its divisors is an integer number (10252390239).

Almost surely, 2^84809711241 is an apocalyptic number.

It is an amenable number.

84809711241 is a deficient number, since it is larger than the sum of its proper divisors (38218971627).

84809711241 is a wasteful number, since it uses less digits than its factorization.

84809711241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40443592 (or 40443589 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 45.

The spelling of 84809711241 in words is "eighty-four billion, eight hundred nine million, seven hundred eleven thousand, two hundred forty-one".