99180241619 has 2 divisors, whose sum is σ = 99180241620. Its totient is φ = 99180241618.

The previous prime is 99180241507. The next prime is 99180241651. The reversal of 99180241619 is 91614208199.

It is a strong prime.

It is an emirp because it is prime and its reverse (91614208199) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-99180241619 is a prime.

It is a super-2 number, since 2×99180241619² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (99180241669) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49590120809 + 49590120810.

It is an arithmetic number, because the mean of its divisors is an integer number (49590120810).

Almost surely, 2^99180241619 is an apocalyptic number.

99180241619 is a deficient number, since it is larger than the sum of its proper divisors (1).

99180241619 is an equidigital number, since it uses as much as digits as its factorization.

99180241619 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 279936, while the sum is 50.

The spelling of 99180241619 in words is "ninety-nine billion, one hundred eighty million, two hundred forty-one thousand, six hundred nineteen".