674686254620534 has 8 divisors (see below), whose sum is σ = 1089877795925520. Its totient is φ = 311393655978696.

The previous prime is 674686254620513. The next prime is 674686254620549. The reversal of 674686254620534 is 435026452686476.

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

It is a congruent number.

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, 12974735665754 + ... + 12974735665805.

It is an arithmetic number, because the mean of its divisors is an integer number (136234724490690).

Almost surely, 2^{674686254620534} is an apocalyptic number.

674686254620534 is a deficient number, since it is larger than the sum of its proper divisors (415191541304986).

674686254620534 is a wasteful number, since it uses less digits than its factorization.

674686254620534 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25949471331574.

The product of its (nonzero) digits is 1393459200, while the sum is 68.

The spelling of 674686254620534 in words is "six hundred seventy-four trillion, six hundred eighty-six billion, two hundred fifty-four million, six hundred twenty thousand, five hundred thirty-four".