65047266619 has 2 divisors, whose sum is σ = 65047266620. Its totient is φ = 65047266618.

The previous prime is 65047266611. The next prime is 65047266673. The reversal of 65047266619 is 91666274056.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 65047266619 - 2³ = 65047266611 is a prime.

It is a super-2 number, since 2×65047266619² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (65047266611) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32523633309 + 32523633310.

It is an arithmetic number, because the mean of its divisors is an integer number (32523633310).

Almost surely, 2^65047266619 is an apocalyptic number.

65047266619 is a deficient number, since it is larger than the sum of its proper divisors (1).

65047266619 is an equidigital number, since it uses as much as digits as its factorization.

65047266619 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 65047266619 in words is "sixty-five billion, forty-seven million, two hundred sixty-six thousand, six hundred nineteen".