67465223321 has 4 divisors (see below), whose sum is σ = 67526389632. Its totient is φ = 67404057012.

The previous prime is 67465223303. The next prime is 67465223339. The reversal of 67465223321 is 12332256476.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (67465223303) and next prime (67465223339).

It is a cyclic number.

It is not a de Polignac number, because 67465223321 - 2³⁴ = 50285354137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67465223621) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30581501 + ... + 30583706.

It is an arithmetic number, because the mean of its divisors is an integer number (16881597408).

Almost surely, 2^67465223321 is an apocalyptic number.

It is an amenable number.

67465223321 is a deficient number, since it is larger than the sum of its proper divisors (61166311).

67465223321 is a wasteful number, since it uses less digits than its factorization.

67465223321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61166310.

The product of its digits is 362880, while the sum is 41.

Adding to 67465223321 its reverse (12332256476), we get a palindrome (79797479797).

The spelling of 67465223321 in words is "sixty-seven billion, four hundred sixty-five million, two hundred twenty-three thousand, three hundred twenty-one".