674354316551 has 2 divisors, whose sum is σ = 674354316552. Its totient is φ = 674354316550.

The previous prime is 674354316547. The next prime is 674354316553. The reversal of 674354316551 is 155613453476.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 674354316551 - 2² = 674354316547 is a prime.

It is a super-3 number, since 3×674354316551³ (a number of 36 digits) contains 333 as substring.

Together with 674354316553, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 674354316551.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (674354316553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337177158275 + 337177158276.

It is an arithmetic number, because the mean of its divisors is an integer number (337177158276).

Almost surely, 2^674354316551 is an apocalyptic number.

674354316551 is a deficient number, since it is larger than the sum of its proper divisors (1).

674354316551 is an equidigital number, since it uses as much as digits as its factorization.

674354316551 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4536000, while the sum is 50.

The spelling of 674354316551 in words is "six hundred seventy-four billion, three hundred fifty-four million, three hundred sixteen thousand, five hundred fifty-one".