67346957909 has 12 divisors (see below), whose sum is σ = 84601138272. Its totient is φ = 52478148360.

The previous prime is 67346957861. The next prime is 67346957929. The reversal of 67346957909 is 90975964376.

67346957909 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 67346957909 - 2¹² = 67346953813 is a prime.

It is a super-2 number, since 2×67346957909² (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 (67346957929) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39755327 + ... + 39757020.

It is an arithmetic number, because the mean of its divisors is an integer number (7050094856).

Almost surely, 2^67346957909 is an apocalyptic number.

It is an amenable number.

67346957909 is a deficient number, since it is larger than the sum of its proper divisors (17254180363).

67346957909 is a wasteful number, since it uses less digits than its factorization.

67346957909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79512376 (or 79512365 counting only the distinct ones).

The product of its (nonzero) digits is 77157360, while the sum is 65.

The spelling of 67346957909 in words is "sixty-seven billion, three hundred forty-six million, nine hundred fifty-seven thousand, nine hundred nine".