67097378029 has 4 divisors (see below), whose sum is σ = 73197139680. Its totient is φ = 60997616380.

The previous prime is 67097377999. The next prime is 67097378057. The reversal of 67097378029 is 92087379076.

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 a cyclic number.

It is not a de Polignac number, because 67097378029 - 2²⁷ = 66963160301 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67097370029) 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 3 ways as a sum of consecutive naturals, for example, 3049880809 + ... + 3049880830.

It is an arithmetic number, because the mean of its divisors is an integer number (18299284920).

Almost surely, 2^67097378029 is an apocalyptic number.

It is an amenable number.

67097378029 is a deficient number, since it is larger than the sum of its proper divisors (6099761651).

67097378029 is a wasteful number, since it uses less digits than its factorization.

67097378029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6099761650.

The product of its (nonzero) digits is 8001504, while the sum is 58.

The spelling of 67097378029 in words is "sixty-seven billion, ninety-seven million, three hundred seventy-eight thousand, twenty-nine".