604891956643 has 6 divisors (see below), whose sum is σ = 655001349684. Its totient is φ = 558361805976.

The previous prime is 604891956631. The next prime is 604891956677. The reversal of 604891956643 is 346659198406.

It is not a de Polignac number, because 604891956643 - 2⁹ = 604891956131 is a prime.

It is a super-2 number, since 2×604891956643² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (604891956623) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1789621005 + ... + 1789621342.

It is an arithmetic number, because the mean of its divisors is an integer number (109166891614).

Almost surely, 2^604891956643 is an apocalyptic number.

604891956643 is a deficient number, since it is larger than the sum of its proper divisors (50109393041).

604891956643 is a wasteful number, since it uses less digits than its factorization.

604891956643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3579242373 (or 3579242360 counting only the distinct ones).

The product of its (nonzero) digits is 33592320, while the sum is 61.

The spelling of 604891956643 in words is "six hundred four billion, eight hundred ninety-one million, nine hundred fifty-six thousand, six hundred forty-three".