674121260157343 has 4 divisors (see below), whose sum is σ = 703430880164208. Its totient is φ = 644811640150480.

The previous prime is 674121260157281. The next prime is 674121260157383. The reversal of 674121260157343 is 343751062121476.

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

It is a cyclic number.

It is not a de Polignac number, because 674121260157343 - 2¹³ = 674121260149151 is a prime.

It is a super-3 number, since 3×674121260157343³ (a number of 45 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674121260157383) 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, 14654810003398 + ... + 14654810003443.

It is an arithmetic number, because the mean of its divisors is an integer number (175857720041052).

Almost surely, 2^{674121260157343} is an apocalyptic number.

674121260157343 is a deficient number, since it is larger than the sum of its proper divisors (29309620006865).

674121260157343 is a wasteful number, since it uses less digits than its factorization.

674121260157343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29309620006864.

The product of its (nonzero) digits is 5080320, while the sum is 52.

The spelling of 674121260157343 in words is "six hundred seventy-four trillion, one hundred twenty-one billion, two hundred sixty million, one hundred fifty-seven thousand, three hundred forty-three".