67670097381 has 36 divisors (see below), whose sum is σ = 105964939808. Its totient is φ = 43151864184.

The previous prime is 67670097379. The next prime is 67670097401. The reversal of 67670097381 is 18379007676.

It is not a de Polignac number, because 67670097381 - 2¹ = 67670097379 is a prime.

It is a super-2 number, since 2×67670097381² (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 (67670097331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 134665 + ... + 391758.

Almost surely, 2^67670097381 is an apocalyptic number.

It is an amenable number.

67670097381 is a deficient number, since it is larger than the sum of its proper divisors (38294842427).

67670097381 is an equidigital number, since it uses as much as digits as its factorization.

67670097381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 526484 (or 526449 counting only the distinct ones).

The product of its (nonzero) digits is 2667168, while the sum is 54.

The spelling of 67670097381 in words is "sixty-seven billion, six hundred seventy million, ninety-seven thousand, three hundred eighty-one".