99997194529 has 2 divisors, whose sum is σ = 99997194530. Its totient is φ = 99997194528.

The previous prime is 99997194497. The next prime is 99997194601. The reversal of 99997194529 is 92549179999.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98837928225 + 1159266304 = 314385^2 + 34048^2 .

It is a cyclic number.

It is not a de Polignac number, because 99997194529 - 2⁵ = 99997194497 is a prime.

It is a weakly prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49998597264 + 49998597265.

It is an arithmetic number, because the mean of its divisors is an integer number (49998597265).

Almost surely, 2^99997194529 is an apocalyptic number.

It is an amenable number.

99997194529 is a deficient number, since it is larger than the sum of its proper divisors (1).

99997194529 is an equidigital number, since it uses as much as digits as its factorization.

99997194529 is an evil number, because the sum of its binary digits is even.

The product of its digits is 148803480, while the sum is 73.

The spelling of 99997194529 in words is "ninety-nine billion, nine hundred ninety-seven million, one hundred ninety-four thousand, five hundred twenty-nine".