674172710609 has 4 divisors (see below), whose sum is σ = 703484567616. Its totient is φ = 644860853604.

The previous prime is 674172710557. The next prime is 674172710623. The reversal of 674172710609 is 906017271476.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 674172710609 - 2²⁸ = 673904275153 is a prime.

It is a super-2 number, since 2×674172710609² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674172710909) 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, 14655928469 + ... + 14655928514.

It is an arithmetic number, because the mean of its divisors is an integer number (175871141904).

Almost surely, 2^674172710609 is an apocalyptic number.

It is an amenable number.

674172710609 is a deficient number, since it is larger than the sum of its proper divisors (29311857007).

674172710609 is a wasteful number, since it uses less digits than its factorization.

674172710609 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29311857006.

The product of its (nonzero) digits is 889056, while the sum is 50.

The spelling of 674172710609 in words is "six hundred seventy-four billion, one hundred seventy-two million, seven hundred ten thousand, six hundred nine".