673680290345854 has 32 divisors (see below), whose sum is σ = 1104333740098560. Its totient is φ = 305677265486400.

The previous prime is 673680290345791. The next prime is 673680290345869. The reversal of 673680290345854 is 458543092086376.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1894934797 + ... + 1895290279.

It is an arithmetic number, because the mean of its divisors is an integer number (34510429378080).

Almost surely, 2^{673680290345854} is an apocalyptic number.

673680290345854 is a deficient number, since it is larger than the sum of its proper divisors (430653449752706).

673680290345854 is a wasteful number, since it uses less digits than its factorization.

673680290345854 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507456.

The product of its (nonzero) digits is 1045094400, while the sum is 70.

The spelling of 673680290345854 in words is "six hundred seventy-three trillion, six hundred eighty billion, two hundred ninety million, three hundred forty-five thousand, eight hundred fifty-four".