8609312401 has 2 divisors, whose sum is σ = 8609312402. Its totient is φ = 8609312400.

The previous prime is 8609312399. The next prime is 8609312419. The reversal of 8609312401 is 1042139068.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8491806801 + 117505600 = 92151^2 + 10840^2 .

It is a cyclic number.

It is not a de Polignac number, because 8609312401 - 2¹ = 8609312399 is a prime.

Together with 8609312399, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (8609312461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4304656200 + 4304656201.

It is an arithmetic number, because the mean of its divisors is an integer number (4304656201).

Almost surely, 2^8609312401 is an apocalyptic number.

It is an amenable number.

8609312401 is a deficient number, since it is larger than the sum of its proper divisors (1).

8609312401 is an equidigital number, since it uses as much as digits as its factorization.

8609312401 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 8609312401 is about 92786.3804714895. The cubic root of 8609312401 is about 2049.5388533224.

The spelling of 8609312401 in words is "eight billion, six hundred nine million, three hundred twelve thousand, four hundred one".