67464612231 has 16 divisors (see below), whose sum is σ = 93187467360. Its totient is φ = 43363510400.

The previous prime is 67464612223. The next prime is 67464612287. The reversal of 67464612231 is 13221646476.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 67464612231 - 2³ = 67464612223 is a prime.

It is a super-2 number, since 2×67464612231² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67464612221) 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 in 15 ways as a sum of consecutive naturals, for example, 492120 + ... + 614093.

It is an arithmetic number, because the mean of its divisors is an integer number (5824216710).

Almost surely, 2^67464612231 is an apocalyptic number.

67464612231 is a deficient number, since it is larger than the sum of its proper divisors (25722855129).

67464612231 is a wasteful number, since it uses less digits than its factorization.

67464612231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106946.

The product of its digits is 290304, while the sum is 42.

The spelling of 67464612231 in words is "sixty-seven billion, four hundred sixty-four million, six hundred twelve thousand, two hundred thirty-one".