674534862653 has 8 divisors (see below), whose sum is σ = 690291867936. Its totient is φ = 658781046000.

The previous prime is 674534862649. The next prime is 674534862671. The reversal of 674534862653 is 356268435476.

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

It is a cyclic number.

It is not a de Polignac number, because 674534862653 - 2² = 674534862649 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 674534862592 and 674534862601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674534862613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 366443 + ... + 1217928.

It is an arithmetic number, because the mean of its divisors is an integer number (86286483492).

Almost surely, 2^674534862653 is an apocalyptic number.

It is an amenable number.

674534862653 is a deficient number, since it is larger than the sum of its proper divisors (15757005283).

674534862653 is a wasteful number, since it uses less digits than its factorization.

674534862653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1594315.

The product of its digits is 87091200, while the sum is 59.

The spelling of 674534862653 in words is "six hundred seventy-four billion, five hundred thirty-four million, eight hundred sixty-two thousand, six hundred fifty-three".