192897199793 has 2 divisors, whose sum is σ = 192897199794. Its totient is φ = 192897199792.

The previous prime is 192897199757. The next prime is 192897199903. The reversal of 192897199793 is 397991798291.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 121168040464 + 71729159329 = 348092^2 + 267823^2 .

It is a cyclic number.

It is not a de Polignac number, because 192897199793 - 2¹² = 192897195697 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 192897199793.

It is not a weakly prime, because it can be changed into another prime (192897199993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96448599896 + 96448599897.

It is an arithmetic number, because the mean of its divisors is an integer number (96448599897).

Almost surely, 2^192897199793 is an apocalyptic number.

It is an amenable number.

192897199793 is a deficient number, since it is larger than the sum of its proper divisors (1).

192897199793 is an equidigital number, since it uses as much as digits as its factorization.

192897199793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 138883248, while the sum is 74.

The spelling of 192897199793 in words is "one hundred ninety-two billion, eight hundred ninety-seven million, one hundred ninety-nine thousand, seven hundred ninety-three".