674956800019 has 2 divisors, whose sum is σ = 674956800020. Its totient is φ = 674956800018.

The previous prime is 674956799999. The next prime is 674956800059. The reversal of 674956800019 is 910008659476.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 674956800019 - 2⁵ = 674956799987 is a prime.

It is a super-2 number, since 2×674956800019² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (674956800059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337478400009 + 337478400010.

It is an arithmetic number, because the mean of its divisors is an integer number (337478400010).

Almost surely, 2^674956800019 is an apocalyptic number.

674956800019 is a deficient number, since it is larger than the sum of its proper divisors (1).

674956800019 is an equidigital number, since it uses as much as digits as its factorization.

674956800019 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 674956800019 in words is "six hundred seventy-four billion, nine hundred fifty-six million, eight hundred thousand, nineteen".