674117642464557 has 8 divisors (see below), whose sum is σ = 898823691434976. Its totient is φ = 449411677568592.

The previous prime is 674117642464531. The next prime is 674117642464561. The reversal of 674117642464557 is 755464246711476.

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

It is not a de Polignac number, because 674117642464557 - 2¹⁶ = 674117642399021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 674117642464491 and 674117642464500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674117642464507) 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, 979263 + ... + 36731379.

It is an arithmetic number, because the mean of its divisors is an integer number (112352961429372).

Almost surely, 2^{674117642464557} is an apocalyptic number.

It is an amenable number.

674117642464557 is a deficient number, since it is larger than the sum of its proper divisors (224706048970419).

674117642464557 is a wasteful number, since it uses less digits than its factorization.

674117642464557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42037227.

The product of its digits is 948326400, while the sum is 69.

The spelling of 674117642464557 in words is "six hundred seventy-four trillion, one hundred seventeen billion, six hundred forty-two million, four hundred sixty-four thousand, five hundred fifty-seven".