65234834321 has 2 divisors, whose sum is σ = 65234834322. Its totient is φ = 65234834320.

The previous prime is 65234834317. The next prime is 65234834333. The reversal of 65234834321 is 12343843256.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54866503696 + 10368330625 = 234236^2 + 101825^2 .

It is a cyclic number.

It is not a de Polignac number, because 65234834321 - 2² = 65234834317 is a prime.

It is not a weakly prime, because it can be changed into another prime (65234834311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32617417160 + 32617417161.

It is an arithmetic number, because the mean of its divisors is an integer number (32617417161).

Almost surely, 2^65234834321 is an apocalyptic number.

It is an amenable number.

65234834321 is a deficient number, since it is larger than the sum of its proper divisors (1).

65234834321 is an equidigital number, since it uses as much as digits as its factorization.

65234834321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 414720, while the sum is 41.

The spelling of 65234834321 in words is "sixty-five billion, two hundred thirty-four million, eight hundred thirty-four thousand, three hundred twenty-one".