674465501621743 has 8 divisors (see below), whose sum is σ = 726347694945488. Its totient is φ = 622583341392384.

The previous prime is 674465501621711. The next prime is 674465501621797. The reversal of 674465501621743 is 347126105564476.

It is a happy number.

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 674465501621743 - 2⁵ = 674465501621711 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674465501622743) 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, 48465871 + ... + 60810127.

It is an arithmetic number, because the mean of its divisors is an integer number (90793461868186).

Almost surely, 2^{674465501621743} is an apocalyptic number.

674465501621743 is a deficient number, since it is larger than the sum of its proper divisors (51882193323745).

674465501621743 is a wasteful number, since it uses less digits than its factorization.

674465501621743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16547193.

The product of its (nonzero) digits is 101606400, while the sum is 61.

The spelling of 674465501621743 in words is "six hundred seventy-four trillion, four hundred sixty-five billion, five hundred one million, six hundred twenty-one thousand, seven hundred forty-three".