674848562921 has 16 divisors (see below), whose sum is σ = 729866565120. Its totient is φ = 620279674560.

The previous prime is 674848562893. The next prime is 674848562933. The reversal of 674848562921 is 129265848476.

It is a de Polignac number, because none of the positive numbers 2^k-674848562921 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674848562951) 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, 2949440 + ... + 3169998.

It is an arithmetic number, because the mean of its divisors is an integer number (45616660320).

Almost surely, 2^674848562921 is an apocalyptic number.

It is an amenable number.

674848562921 is a deficient number, since it is larger than the sum of its proper divisors (55018002199).

674848562921 is a wasteful number, since it uses less digits than its factorization.

674848562921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221576.

The product of its digits is 46448640, while the sum is 62.

The spelling of 674848562921 in words is "six hundred seventy-four billion, eight hundred forty-eight million, five hundred sixty-two thousand, nine hundred twenty-one".