674097199985 has 16 divisors (see below), whose sum is σ = 884344174272. Its totient is φ = 489202699200.

The previous prime is 674097199969. The next prime is 674097200059. The reversal of 674097199985 is 589991790476.

It is not a de Polignac number, because 674097199985 - 2⁴ = 674097199969 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13096706 + ... + 13148075.

It is an arithmetic number, because the mean of its divisors is an integer number (55271510892).

Almost surely, 2^674097199985 is an apocalyptic number.

It is an amenable number.

674097199985 is a deficient number, since it is larger than the sum of its proper divisors (210246974287).

674097199985 is a wasteful number, since it uses less digits than its factorization.

674097199985 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26245264.

The product of its (nonzero) digits is 308629440, while the sum is 74.

The spelling of 674097199985 in words is "six hundred seventy-four billion, ninety-seven million, one hundred ninety-nine thousand, nine hundred eighty-five".