67822865513 has 8 divisors (see below), whose sum is σ = 73043211528. Its totient is φ = 62602977024.

The previous prime is 67822865489. The next prime is 67822865521. The reversal of 67822865513 is 31556822876.

It can be written as a sum of positive squares in 4 ways, for example, as 5668885264 + 62153980249 = 75292^2 + 249307^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 67822865513 - 2¹⁰ = 67822864489 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (66822865513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232481 + ... + 435537.

It is an arithmetic number, because the mean of its divisors is an integer number (9130401441).

Almost surely, 2^67822865513 is an apocalyptic number.

It is an amenable number.

67822865513 is a deficient number, since it is larger than the sum of its proper divisors (5220346015).

67822865513 is a wasteful number, since it uses less digits than its factorization.

67822865513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 228763.

The product of its digits is 4838400, while the sum is 53.

The spelling of 67822865513 in words is "sixty-seven billion, eight hundred twenty-two million, eight hundred sixty-five thousand, five hundred thirteen".