65345274199 has 2 divisors, whose sum is σ = 65345274200. Its totient is φ = 65345274198.

The previous prime is 65345274191. The next prime is 65345274223. The reversal of 65345274199 is 99147254356.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65345274199 - 2³ = 65345274191 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65345274191) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32672637099 + 32672637100.

It is an arithmetic number, because the mean of its divisors is an integer number (32672637100).

Almost surely, 2^65345274199 is an apocalyptic number.

65345274199 is a deficient number, since it is larger than the sum of its proper divisors (1).

65345274199 is an equidigital number, since it uses as much as digits as its factorization.

65345274199 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8164800, while the sum is 55.

The spelling of 65345274199 in words is "sixty-five billion, three hundred forty-five million, two hundred seventy-four thousand, one hundred ninety-nine".