674465501621741 has 4 divisors (see below), whose sum is σ = 674827922634684. Its totient is φ = 674103080608800.

The previous prime is 674465501621711. The next prime is 674465501621797. The reversal of 674465501621741 is 147126105564476.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 78814374040516 + 595651127581225 = 8877746^2 + 24405965^2 .

It is a cyclic number.

It is not a de Polignac number, because 674465501621741 - 2¹⁰ = 674465501620717 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 (674465501621711) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181210503680 + ... + 181210507401.

It is an arithmetic number, because the mean of its divisors is an integer number (168706980658671).

Almost surely, 2^{674465501621741} is an apocalyptic number.

It is an amenable number.

674465501621741 is a deficient number, since it is larger than the sum of its proper divisors (362421012943).

674465501621741 is a wasteful number, since it uses less digits than its factorization.

674465501621741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362421012942.

The product of its (nonzero) digits is 33868800, while the sum is 59.

The spelling of 674465501621741 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-one".