67403426641 has 8 divisors (see below), whose sum is σ = 70336667520. Its totient is φ = 64470407232.

The previous prime is 67403426609. The next prime is 67403426653. The reversal of 67403426641 is 14662430476.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 67403426641 - 2⁵ = 67403426609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67403426681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 973780 + ... + 1040698.

It is an arithmetic number, because the mean of its divisors is an integer number (8792083440).

Almost surely, 2^67403426641 is an apocalyptic number.

It is an amenable number.

67403426641 is a deficient number, since it is larger than the sum of its proper divisors (2933240879).

67403426641 is a wasteful number, since it uses less digits than its factorization.

67403426641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110735.

The product of its (nonzero) digits is 580608, while the sum is 43.

The spelling of 67403426641 in words is "sixty-seven billion, four hundred three million, four hundred twenty-six thousand, six hundred forty-one".