65193561299 has 2 divisors, whose sum is σ = 65193561300. Its totient is φ = 65193561298.

The previous prime is 65193561281. The next prime is 65193561313. The reversal of 65193561299 is 99216539156.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-65193561299 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (65193561599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32596780649 + 32596780650.

It is an arithmetic number, because the mean of its divisors is an integer number (32596780650).

Almost surely, 2^65193561299 is an apocalyptic number.

65193561299 is a deficient number, since it is larger than the sum of its proper divisors (1).

65193561299 is an equidigital number, since it uses as much as digits as its factorization.

65193561299 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3936600, while the sum is 56.

The spelling of 65193561299 in words is "sixty-five billion, one hundred ninety-three million, five hundred sixty-one thousand, two hundred ninety-nine".