67401700189 has 4 divisors (see below), whose sum is σ = 67740402400. Its totient is φ = 67062997980.

The previous prime is 67401700159. The next prime is 67401700237. The reversal of 67401700189 is 98100710476.

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 67401700189 - 2²⁹ = 66864829277 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (67401700159) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 169350807 + ... + 169351204.

It is an arithmetic number, because the mean of its divisors is an integer number (16935100600).

Almost surely, 2^67401700189 is an apocalyptic number.

It is an amenable number.

67401700189 is a deficient number, since it is larger than the sum of its proper divisors (338702211).

67401700189 is a wasteful number, since it uses less digits than its factorization.

67401700189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 338702210.

The product of its (nonzero) digits is 84672, while the sum is 43.

The spelling of 67401700189 in words is "sixty-seven billion, four hundred one million, seven hundred thousand, one hundred eighty-nine".