674040237409 has 16 divisors (see below), whose sum is σ = 858241898496. Its totient is φ = 514051131600.

The previous prime is 674040237361. The next prime is 674040237413. The reversal of 674040237409 is 904732040476.

It is a cyclic number.

It is not a de Polignac number, because 674040237409 - 2¹¹ = 674040235361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674040237439) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93121587 + ... + 93128824.

It is an arithmetic number, because the mean of its divisors is an integer number (53640118656).

Almost surely, 2^674040237409 is an apocalyptic number.

It is an amenable number.

674040237409 is a deficient number, since it is larger than the sum of its proper divisors (184201661087).

674040237409 is a wasteful number, since it uses less digits than its factorization.

674040237409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186250476.

The product of its (nonzero) digits is 1016064, while the sum is 46.

The spelling of 674040237409 in words is "six hundred seventy-four billion, forty million, two hundred thirty-seven thousand, four hundred nine".