99127461361 has 2 divisors, whose sum is σ = 99127461362. Its totient is φ = 99127461360.

The previous prime is 99127461341. The next prime is 99127461373. The reversal of 99127461361 is 16316472199.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69818021361 + 29309440000 = 264231^2 + 171200^2 .

It is an emirp because it is prime and its reverse (16316472199) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 99127461361 - 2⁹ = 99127460849 is a prime.

It is not a weakly prime, because it can be changed into another prime (99127461341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49563730680 + 49563730681.

It is an arithmetic number, because the mean of its divisors is an integer number (49563730681).

Almost surely, 2^99127461361 is an apocalyptic number.

It is an amenable number.

99127461361 is a deficient number, since it is larger than the sum of its proper divisors (1).

99127461361 is an equidigital number, since it uses as much as digits as its factorization.

99127461361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 489888, while the sum is 49.

The spelling of 99127461361 in words is "ninety-nine billion, one hundred twenty-seven million, four hundred sixty-one thousand, three hundred sixty-one".