673565850442 has 8 divisors (see below), whose sum is σ = 1026911870532. Its totient is φ = 331261893600.

The previous prime is 673565850439. The next prime is 673565850469. The reversal of 673565850442 is 244058565376.

It can be written as a sum of positive squares in 2 ways, for example, as 502764665481 + 170801184961 = 709059^2 + 413281^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2760515659 + ... + 2760515902.

Almost surely, 2^673565850442 is an apocalyptic number.

673565850442 is a deficient number, since it is larger than the sum of its proper divisors (353346020090).

673565850442 is a wasteful number, since it uses less digits than its factorization.

673565850442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5521031624.

The product of its (nonzero) digits is 24192000, while the sum is 55.

The spelling of 673565850442 in words is "six hundred seventy-three billion, five hundred sixty-five million, eight hundred fifty thousand, four hundred forty-two".