99410061061601 has 2 divisors, whose sum is σ = 99410061061602. Its totient is φ = 99410061061600.

The previous prime is 99410061061583. The next prime is 99410061061657. The reversal of 99410061061601 is 10616016001499.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81967944568225 + 17442116493376 = 9053615^2 + 4176376^2 .

It is a cyclic number.

It is not a de Polignac number, because 99410061061601 - 2⁴⁶ = 29041316883937 is a prime.

It is a super-4 number, since 4×99410061061601⁴ (a number of 57 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

It is not a weakly prime, because it can be changed into another prime (99410061061301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49705030530800 + 49705030530801.

It is an arithmetic number, because the mean of its divisors is an integer number (49705030530801).

Almost surely, 2^{99410061061601} is an apocalyptic number.

It is an amenable number.

99410061061601 is a deficient number, since it is larger than the sum of its proper divisors (1).

99410061061601 is an equidigital number, since it uses as much as digits as its factorization.

99410061061601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 69984, while the sum is 44.

The spelling of 99410061061601 in words is "ninety-nine trillion, four hundred ten billion, sixty-one million, sixty-one thousand, six hundred one".